Apache Tomcat h2c request mix-up
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 5 fixed, 7 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-200.
Summary
When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apache | Apache Tomcat | Apache Tomcat 10 to before 10.0.2; Apache Tomcat 9 to before 9.0.42; Apache Tomcat 8.5 to before 8.5.62 | 10.0.2, 9.0.42, 8.5.62 | Patch available | CNA |
| — | org.apache.tomcat.embed:tomcat-embed-core (Maven) | 10.0.0-M1 to before 10.0.2 | 10.0.2 | Patch available | GHSA-j39c-c8hj-x4j3 |
| — | org.apache.tomcat.embed:tomcat-embed-core (Maven) | 9.0.0-M1 to before 9.0.43 | 9.0.43 | Patch available | GHSA-j39c-c8hj-x4j3 |
| — | org.apache.tomcat.embed:tomcat-embed-core (Maven) | 8.5.0 to before 8.5.63 | 8.5.63 | Patch available | GHSA-j39c-c8hj-x4j3 |
| — | org.apache.tomcat:tomcat-coyote (Maven) | 10.0.0-M1 to before 10.0.2 | 10.0.2 | Patch available | GHSA-j39c-c8hj-x4j3 |
- Apache Tomcat VendorApache Affected Apache Tomcat 10 to before 10.0.2; Apache Tomcat 9 to before 9.0.42; Apache Tomcat 8.5 to before 8.5.62 Fixed in 10.0.2, 9.0.42, 8.5.62 Patch available CNA
- org.apache.tomcat.embed:tomcat-embed-core (Maven) Vendor— Affected 10.0.0-M1 to before 10.0.2 Fixed in 10.0.2 Patch available GHSA-j39c-c8hj-x4j3
- org.apache.tomcat.embed:tomcat-embed-core (Maven) Vendor— Affected 9.0.0-M1 to before 9.0.43 Fixed in 9.0.43 Patch available GHSA-j39c-c8hj-x4j3
- org.apache.tomcat.embed:tomcat-embed-core (Maven) Vendor— Affected 8.5.0 to before 8.5.63 Fixed in 8.5.63 Patch available GHSA-j39c-c8hj-x4j3
- org.apache.tomcat:tomcat-coyote (Maven) Vendor— Affected 10.0.0-M1 to before 10.0.2 Fixed in 10.0.2 Patch available GHSA-j39c-c8hj-x4j3
CPE configurations NVD · 54
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* | 8.5.0 – 8.5.61; 9.0.0 – 9.0.41 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone1:*:*:*:*:*:* | 9.0.0 milestone1 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone10:*:*:*:*:*:* | 9.0.0 milestone10 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone11:*:*:*:*:*:* | 9.0.0 milestone11 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone12:*:*:*:*:*:* | 9.0.0 milestone12 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone13:*:*:*:*:*:* | 9.0.0 milestone13 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone14:*:*:*:*:*:* | 9.0.0 milestone14 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone15:*:*:*:*:*:* | 9.0.0 milestone15 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone16:*:*:*:*:*:* | 9.0.0 milestone16 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone17:*:*:*:*:*:* | 9.0.0 milestone17 | Vulnerable | Apache |
- cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* Versions 8.5.0 – 8.5.61; 9.0.0 – 9.0.41 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone1:*:*:*:*:*:* Versions 9.0.0 milestone1 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone10:*:*:*:*:*:* Versions 9.0.0 milestone10 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone11:*:*:*:*:*:* Versions 9.0.0 milestone11 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone12:*:*:*:*:*:* Versions 9.0.0 milestone12 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone13:*:*:*:*:*:* Versions 9.0.0 milestone13 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone14:*:*:*:*:*:* Versions 9.0.0 milestone14 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone15:*:*:*:*:*:* Versions 9.0.0 milestone15 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone16:*:*:*:*:*:* Versions 9.0.0 milestone16 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone17:*:*:*:*:*:* Versions 9.0.0 milestone17 Vulnerable ·Apache
Show 44 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:tomcat:9.0.0:milestone18:*:*:*:*:*:* | 9.0.0 milestone18 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone19:*:*:*:*:*:* | 9.0.0 milestone19 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone2:*:*:*:*:*:* | 9.0.0 milestone2 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone20:*:*:*:*:*:* | 9.0.0 milestone20 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone21:*:*:*:*:*:* | 9.0.0 milestone21 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone22:*:*:*:*:*:* | 9.0.0 milestone22 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone23:*:*:*:*:*:* | 9.0.0 milestone23 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone24:*:*:*:*:*:* | 9.0.0 milestone24 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone25:*:*:*:*:*:* | 9.0.0 milestone25 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone26:*:*:*:*:*:* | 9.0.0 milestone26 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone27:*:*:*:*:*:* | 9.0.0 milestone27 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone3:*:*:*:*:*:* | 9.0.0 milestone3 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone4:*:*:*:*:*:* | 9.0.0 milestone4 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:9.0.0:milestone5:*:*:*:*:*:* | 9.0.0 milestone5 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:10.0.0:-:*:*:*:*:*:* | 10.0.0 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:10.0.0:milestone1:*:*:*:*:*:* | 10.0.0 milestone1 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:10.0.0:milestone10:*:*:*:*:*:* | 10.0.0 milestone10 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:10.0.0:milestone2:*:*:*:*:*:* | 10.0.0 milestone2 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:10.0.0:milestone3:*:*:*:*:*:* | 10.0.0 milestone3 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:10.0.0:milestone4:*:*:*:*:*:* | 10.0.0 milestone4 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:10.0.0:milestone5:*:*:*:*:*:* | 10.0.0 milestone5 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:10.0.0:milestone6:*:*:*:*:*:* | 10.0.0 milestone6 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:10.0.0:milestone7:*:*:*:*:*:* | 10.0.0 milestone7 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:10.0.0:milestone8:*:*:*:*:*:* | 10.0.0 milestone8 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:10.0.0:milestone9:*:*:*:*:*:* | 10.0.0 milestone9 | Vulnerable | Apache |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
| cpe:2.3:a:oracle:agile_product_lifecycle_management:9.3.3:*:*:*:*:*:*:* | 9.3.3 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:agile_product_lifecycle_management:9.3.6:*:*:*:*:*:*:* | 9.3.6 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:* | 1.14.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:communications_cloud_native_core_security_edge_protection_proxy:1.6.0:*:*:*:*:*:*:* | 1.6.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:communications_instant_messaging_server:10.0.1.5.0:*:*:*:*:*:*:* | 10.0.1.5.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:database:12.2.0.1:*:*:*:enterprise:*:*:* | 12.2.0.1 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:database:19c:*:*:*:enterprise:*:*:* | 19c | Vulnerable | Oracle |
| cpe:2.3:a:oracle:database:21c:*:*:*:enterprise:*:*:* | 21c | Vulnerable | Oracle |
| cpe:2.3:a:oracle:graph_server_and_client:*:*:*:*:*:*:*:* | before 21.3.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:graph_server_and_client:21.3.0:*:*:*:*:*:*:* | 21.3.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:* | 17.1 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:* | 17.2 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:* | 17.3 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:managed_file_transfer:12.2.1.3.0:*:*:*:*:*:*:* | 12.2.1.3.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:managed_file_transfer:12.2.1.4.0:*:*:*:*:*:*:* | 12.2.1.4.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:mysql_enterprise_monitor:*:*:*:*:*:*:*:* | up to 8.0.23 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:siebel_ui_framework:*:*:*:*:*:*:*:* | up to 21.9 | Vulnerable | Oracle |
- cpe:2.3:a:apache:tomcat:9.0.0:milestone18:*:*:*:*:*:* Versions 9.0.0 milestone18 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone19:*:*:*:*:*:* Versions 9.0.0 milestone19 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone2:*:*:*:*:*:* Versions 9.0.0 milestone2 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone20:*:*:*:*:*:* Versions 9.0.0 milestone20 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone21:*:*:*:*:*:* Versions 9.0.0 milestone21 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone22:*:*:*:*:*:* Versions 9.0.0 milestone22 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone23:*:*:*:*:*:* Versions 9.0.0 milestone23 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone24:*:*:*:*:*:* Versions 9.0.0 milestone24 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone25:*:*:*:*:*:* Versions 9.0.0 milestone25 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone26:*:*:*:*:*:* Versions 9.0.0 milestone26 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone27:*:*:*:*:*:* Versions 9.0.0 milestone27 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone3:*:*:*:*:*:* Versions 9.0.0 milestone3 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone4:*:*:*:*:*:* Versions 9.0.0 milestone4 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:9.0.0:milestone5:*:*:*:*:*:* Versions 9.0.0 milestone5 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:10.0.0:-:*:*:*:*:*:* Versions 10.0.0 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:10.0.0:milestone1:*:*:*:*:*:* Versions 10.0.0 milestone1 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:10.0.0:milestone10:*:*:*:*:*:* Versions 10.0.0 milestone10 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:10.0.0:milestone2:*:*:*:*:*:* Versions 10.0.0 milestone2 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:10.0.0:milestone3:*:*:*:*:*:* Versions 10.0.0 milestone3 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:10.0.0:milestone4:*:*:*:*:*:* Versions 10.0.0 milestone4 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:10.0.0:milestone5:*:*:*:*:*:* Versions 10.0.0 milestone5 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:10.0.0:milestone6:*:*:*:*:*:* Versions 10.0.0 milestone6 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:10.0.0:milestone7:*:*:*:*:*:* Versions 10.0.0 milestone7 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:10.0.0:milestone8:*:*:*:*:*:* Versions 10.0.0 milestone8 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:10.0.0:milestone9:*:*:*:*:*:* Versions 10.0.0 milestone9 Vulnerable ·Apache
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
- cpe:2.3:a:oracle:agile_product_lifecycle_management:9.3.3:*:*:*:*:*:*:* Versions 9.3.3 Vulnerable ·Oracle
- cpe:2.3:a:oracle:agile_product_lifecycle_management:9.3.6:*:*:*:*:*:*:* Versions 9.3.6 Vulnerable ·Oracle
- cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:* Versions 1.14.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:communications_cloud_native_core_security_edge_protection_proxy:1.6.0:*:*:*:*:*:*:* Versions 1.6.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:communications_instant_messaging_server:10.0.1.5.0:*:*:*:*:*:*:* Versions 10.0.1.5.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:database:12.2.0.1:*:*:*:enterprise:*:*:* Versions 12.2.0.1 Vulnerable ·Oracle
- cpe:2.3:a:oracle:database:19c:*:*:*:enterprise:*:*:* Versions 19c Vulnerable ·Oracle
- cpe:2.3:a:oracle:database:21c:*:*:*:enterprise:*:*:* Versions 21c Vulnerable ·Oracle
- cpe:2.3:a:oracle:graph_server_and_client:*:*:*:*:*:*:*:* Versions before 21.3.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:graph_server_and_client:21.3.0:*:*:*:*:*:*:* Versions 21.3.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:* Versions 17.1 Vulnerable ·Oracle
- cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:* Versions 17.2 Vulnerable ·Oracle
- cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:* Versions 17.3 Vulnerable ·Oracle
- cpe:2.3:a:oracle:managed_file_transfer:12.2.1.3.0:*:*:*:*:*:*:* Versions 12.2.1.3.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:managed_file_transfer:12.2.1.4.0:*:*:*:*:*:*:* Versions 12.2.1.4.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:mysql_enterprise_monitor:*:*:*:*:*:*:*:* Versions up to 8.0.23 Vulnerable ·Oracle
- cpe:2.3:a:oracle:siebel_ui_framework:*:*:*:*:*:*:*:* Versions up to 21.9 Vulnerable ·Oracle
Remediation
- Fix · CNA Apache Tomcat (Apache Software Foundation) Fixed in 10.0.2, 9.0.42, 8.5.62
- Fix · GHSA-j39c-c8hj-x4j3 org.apache.tomcat.embed:tomcat-embed-core (Maven) Fixed in 10.0.2 Advisory →
- Fix · GHSA-j39c-c8hj-x4j3 org.apache.tomcat.embed:tomcat-embed-core (Maven) Fixed in 9.0.43 Advisory →
- Fix · GHSA-j39c-c8hj-x4j3 org.apache.tomcat.embed:tomcat-embed-core (Maven) Fixed in 8.5.63 Advisory →
- Fix · GHSA-j39c-c8hj-x4j3 org.apache.tomcat:tomcat-coyote (Maven) Fixed in 10.0.2 Advisory →
Red Hat 4 advisories
- RHSA-2022:5532 Released 2022-07-07 · Red Hat rating ImportantRed Hat Fuse 7.11.0 release and security update
- Red Hat Fuse 7.11
- RHSA-2021:3425 Released 2021-09-09 · Red Hat rating ImportantRed Hat support for Spring Boot 2.3.10 security update
- Red Hat support for Spring Boot 2.3.10
- RHSA-2021:2561 Released 2021-06-29 · Red Hat rating ModerateRed Hat JBoss Web Server 5.5.0 Security release
- Red Hat JBoss Web Server 5.5 for RHEL 7 Server jws5-ecj-4.12.0-3.redhat_2.2.el7jws, jws5-mod_cluster-1.4.3-2.Final_redhat_00002.1.el7jws, jws5-mod_cluster-tomcat-1.4.3-2.Final_redhat_00002.1.el7jws +15
- Red Hat JBoss Web Server 5.5 for RHEL 8 jws5-ecj-4.12.0-3.redhat_2.2.el8jws, jws5-mod_cluster-1.4.3-2.Final_redhat_00002.1.el8jws, jws5-mod_cluster-tomcat-1.4.3-2.Final_redhat_00002.1.el8jws +13
Show 1 more Red Hat advisories
- RHSA-2021:2562 Released 2021-06-29 · Red Hat rating ModerateRed Hat JBoss Web Server 5.5.0 security release
- Red Hat JBoss Web Server 5
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Apache Tomcat — DSA-4891
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2021-07568 Incomplete fix for CVE-2020-9484Priority MEDIUM 45
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat JBoss Data Grid 6 | Affected | No fix planned: Out of support scope |
| Red Hat JBoss Data Virtualization 6 | Affected | No fix planned: Out of support scope |
| Red Hat JBoss Enterprise Application Platform 6 | Affected | No fix planned: Out of support scope |
| Red Hat JBoss Fuse 6 | Affected | No fix planned: Out of support scope |
| Red Hat OpenStack Platform 10 (Newton) | Affected | No fix planned: Out of support scope |
| Red Hat OpenStack Platform 13 (Queens) | Affected | No fix planned: Will not fix |
| Red Hat Fuse 7.11 | Fixed | RHSA-2022:5532 |
| Red Hat JBoss Web Server 5 | Fixed | RHSA-2021:2562 |
| Red Hat JBoss Web Server 5.5 for RHEL 7 Server | Fixed | RHSA-2021:2561 |
| Red Hat JBoss Web Server 5.5 for RHEL 8 | Fixed | RHSA-2021:2561 |
| Red Hat support for Spring Boot 2.3.10 | Fixed | RHSA-2021:3425 |
Not affected: 5 products
- Red Hat Decision Manager 7
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat JBoss Web Server 3
- Red Hat Process Automation 7
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25122
- 2026-10-03 Alias added: GHSA-j39c-c8hj-x4j3
- 2026-10-08 CISA SSVC decision points changed
References
Patch 3
Advisory 7
- https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7%40%3Cannounce.tomcat.apache.org%3E
- [oss-security] 20210301 CVE-2021-25122: Apache Tomcat h2c request mix-up
- [debian-lts-announce] 20210316 [SECURITY] [DLA 2596-1] tomcat8 security update
- DSA-4891
- https://security.netapp.com/advisory/ntap-20210409-0002/
- GLSA-202208-34
- https://nvd.nist.gov/vuln/detail/CVE-2021-25122
Other 15
- [tomcat-users] 20210301 [SECURITY] CVE-2021-25122 Apache Tomcat h2c request mix-up
- [tomcat-dev] 20210301 [SECURITY] CVE-2021-25122 Apache Tomcat h2c request mix-up
- [tomcat-dev] 20210301 svn commit: r1887027 - in /tomcat/site/trunk: docs/security-10.html docs/security-7.html docs/security-8.html docs/security-9.html xdocs/security-10.xml xdocs/security-7.xml xdocs/security-8.xml xdocs/security-9.xml
- [announce] 20210301 [SECURITY] CVE-2021-25122 Apache Tomcat h2c request mix-up
- [tomcat-users] 20210305 RE: [SECURITY] CVE-2021-25122 Apache Tomcat h2c request mix-up
- [tomcat-users] 20210305 Re: [SECURITY] CVE-2021-25122 Apache Tomcat h2c request mix-up
- https://security.netapp.com/advisory/ntap-20210409-0002
- https://lists.apache.org/thread.html/rf6d5d57b114678d8898005faef31e9fd6d7c981fcc4ccfc3bc272fc9@%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/rd0463f9a5cbc02a485404c4b990f0da452e5ac5c237808edba11c947@%3Cusers.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/rcd90bf36b1877e1310b87ecd14ed7bbb15da52b297efd9f0e7253a3b@%3Cusers.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7@%3Cusers.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7@%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7@%3Cannounce.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7@%3Cannounce.apache.org%3E
- https://github.com/apache/tomcat
More Apache Tomcat vulnerabilities
- TI-2025-18529 Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUT KEVCVSS 3.1CRITICAL 10.0
- TI-2020-01862 Improper privilege management in Apache Tomcat KEVCVSS 3.1CRITICAL 9.8
- TI-2016-07192 Improper access control in Apache Tomcat KEVCVSS 3.1CRITICAL 9.8
- TI-2017-09342 Unrestricted file upload in Apache Tomcat KEVCVSS 3.1HIGH 8.1
- TI-2017-09340 Unrestricted file upload in Apache Tomcat KEVCVSS 3.1HIGH 8.1
- TI-2026-26741 Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor KEVCVSS 3.1HIGH 7.5
Sources
- CVE-2021-25122 · CVE Program
- CVE-2021-25122 · NVD
- FIRST EPSS
- GHSA-j39c-c8hj-x4j3 · GitHub Advisory Database · CC BY 4.0
- CVE-2021-25122 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences