Session fixation in Eclipse Jetty
Priority MEDIUM 43CWE-6Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-384.
Summary
In Eclipse Jetty versions 9.4.0 through 9.4.8, when using the optional Jetty provided FileSessionDataStore for persistent storage of HttpSession details, it is possible for a malicious user to access/hijack other HttpSessions and even delete unmatched HttpSessions present in the FileSystem's storage for the FileSessionDataStore.
Why it matters now
EPSS 0.0256 85th percentileScored 2026-11-07
Fix Fixed Eclipse Jetty (The Eclipse Foundation): 9.4.9org.eclipse.jetty:jetty-server (Maven): 9.4.11.v20180605
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Eclipse Foundation | Eclipse Jetty | before 9.4.9; 9.4.0 and later | 9.4.9 | Patch available | CNA |
| — | org.eclipse.jetty:jetty-server (Maven) | 9.4.0 to before 9.4.11.v20180605 | 9.4.11.v20180605 | Patch available | GHSA-mwcx-532g-8pq3 |
- Eclipse Jetty VendorEclipse Foundation Affected before 9.4.9; 9.4.0 and later Fixed in 9.4.9 Patch available CNA
- org.eclipse.jetty:jetty-server (Maven) Vendor— Affected 9.4.0 to before 9.4.11.v20180605 Fixed in 9.4.11.v20180605 Patch available GHSA-mwcx-532g-8pq3
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:* | 9.4.0 – 9.4.8 | Vulnerable | Eclipse Foundation |
| cpe:2.3:a:netapp:e-series_santricity_management_plug-ins:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:* | 11.0 – 11.40 | Vulnerable | NetApp |
| cpe:2.3:a:netapp:e-series_santricity_web_services_proxy:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:a:netapp:hyper_converged_infrastructure:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:a:netapp:oncommand_system_manager:*:*:*:*:*:*:*:* | 3.0.0 – 3.1.3 | Vulnerable | NetApp |
| cpe:2.3:a:netapp:oncommand_unified_manager:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:a:netapp:santricity_cloud_connector:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:a:netapp:snap_creator_framework:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
- cpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:* Versions 9.4.0 – 9.4.8 Vulnerable ·Eclipse Foundation
- cpe:2.3:a:netapp:e-series_santricity_management_plug-ins:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:* Versions 11.0 – 11.40 Vulnerable ·NetApp
- cpe:2.3:a:netapp:e-series_santricity_web_services_proxy:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:a:netapp:hyper_converged_infrastructure:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:a:netapp:oncommand_system_manager:*:*:*:*:*:*:*:* Versions 3.0.0 – 3.1.3 Vulnerable ·NetApp
- cpe:2.3:a:netapp:oncommand_unified_manager:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:a:netapp:santricity_cloud_connector:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:a:netapp:snap_creator_framework:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
Remediation
- Fix · CNA Eclipse Jetty (The Eclipse Foundation) Fixed in 9.4.9
- Fix · GHSA-mwcx-532g-8pq3 org.eclipse.jetty:jetty-server (Maven) Fixed in 9.4.11.v20180605 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 6 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Fuse 7
- Red Hat JBoss Fuse 6
- Red Hat Satellite 5
- Red Hat Software Collections
Timeline
- 2026-10-02 Threatist record created from CVE-2018-12538
- 2026-10-03 Alias added: GHSA-mwcx-532g-8pq3
References
Advisory 4
Other 5
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- [bookkeeper-issues] 20200729 [GitHub] [bookkeeper] padma81 opened a new issue #2387: Security vulnerabilities in the apache/bookkeeper-4.9.2 image
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0@%3Cissues.bookkeeper.apache.org%3E
- https://security.netapp.com/advisory/ntap-20181014-0001
More Eclipse Foundation Jetty vulnerabilities
- TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
- TI-2026-08807 Digest authentication lossy encoding CVSS 4.0HIGH 8.7
- TI-2026-01972 HTTP Request Smuggling via Chunked Extension Quoted-String Parsing CVSS 3.1CRITICAL 9.1
- TI-2015-01867 The exception handling code in Eclipse Jetty before 9.2.9.v20150224 allows remote… CVSS 3.0HIGH 7.5
- TI-2021-09394 Uncontrolled resource consumption in Eclipse Jetty CVSS 3.1HIGH 7.5
- TI-2021-13463 Information disclosure in Eclipse Jetty CVSS 3.1MEDIUM 5.3
Sources
- CVE-2018-12538 · CVE Program
- CVE-2018-12538 · NVD
- FIRST EPSS
- GHSA-mwcx-532g-8pq3 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-12538 · 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