Information disclosure in https://github.com/curl/curl
Priority MEDIUM 40CWE-200Published · Updated
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: 3 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-200.
Summary
curl 7.62.0 through 7.70.0 is vulnerable to an information disclosure vulnerability that can lead to a partial password being leaked over the network and to the DNS server(s).
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.03926 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 2 advisoriesRed Hat: 3 fixed, 1 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| — | https://github.com/curl/curl | libcurl 7.62.0 to and including 7.70.0 | — | No fix listed | CNA |
- https://github.com/curl/curl Vendor— Affected libcurl 7.62.0 to and including 7.70.0 Fixed in — No fix listed CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:* | 7.62.0 – 7.70.0 | Vulnerable | Haxx |
| cpe:2.3:o:siemens:simatic_tim_1531_irc_firmware:*:*:*:*:*:*:*:* | before 2.2 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_tim_1531_irc:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
| cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:* | before 1.0.1.1 | Vulnerable | Siemens |
| cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:* | 8.2.0 to before 8.2.12; 9.0.0 to before 9.0.6 | Vulnerable | Splunk |
| cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:* | 9.1.0 | Vulnerable | Splunk |
- cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:* Versions 7.62.0 – 7.70.0 Vulnerable ·Haxx
- cpe:2.3:o:siemens:simatic_tim_1531_irc_firmware:*:*:*:*:*:*:*:* Versions before 2.2 Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_tim_1531_irc:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
- cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:* Versions before 1.0.1.1 Vulnerable ·Siemens
- cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:* Versions 8.2.0 to before 8.2.12; 9.0.0 to before 9.0.6 Vulnerable ·Splunk
- cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:* Versions 9.1.0 Vulnerable ·Splunk
Remediation
Red Hat 2 advisories
- RHSA-2021:2472 Released 2021-06-17 · Red Hat rating ImportantRed Hat JBoss Core Services Apache HTTP Server 2.4.37 SP8 security update
- Red Hat JBoss Core Services on RHEL 7 Server jbcs-httpd24-1-18.jbcs.el7, jbcs-httpd24-apr-1.6.3-105.jbcs.el7, jbcs-httpd24-apr-devel-1.6.3-105.jbcs.el7 +31
- Red Hat JBoss Core Services on RHEL 8 jbcs-httpd24-1-18.el8jbcs, jbcs-httpd24-apr-1.6.3-105.el8jbcs, jbcs-httpd24-apr-devel-1.6.3-105.el8jbcs +42
- RHSA-2021:2471 Released 2021-06-17 · Red Hat rating ImportantRed Hat JBoss Core Services Apache HTTP Server 2.4.37 SP8 security update
- JBoss Core Services Apache HTTP Server 2.4.37 SP8
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
https://github.com/curl/curl — DSA-4881
6 records Highest priority Priority HIGH 1 HIGH, 4 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2020-06702 Uncontrolled recursion in https://github.com/curl/curlPriority HIGH 72
- TI-2020-06701 Information disclosure in https://github.com/curl/curlPriority MEDIUM 51
- TI-2020-06703 Improper certificate validation in https://github.com/curl/curlPriority MEDIUM 46
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Ceph Storage 2 | Affected | No fix planned: Out of support scope |
| JBoss Core Services Apache HTTP Server 2.4.37 SP8 | Fixed | RHSA-2021:2471 |
| Red Hat JBoss Core Services on RHEL 7 Server | Fixed | RHSA-2021:2472 |
| Red Hat JBoss Core Services on RHEL 8 | Fixed | RHSA-2021:2472 |
Not affected: 7 products
- .NET Core 2.1 on Red Hat Enterprise Linux
- .NET Core 3.1 on Red Hat Enterprise Linux
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Software Collections
Timeline
- 2026-10-02 Threatist record created from CVE-2020-8169
- 2026-10-03 Alias added: GHSA-whwh-vhp2-pj62
- 2026-10-14 EPSS moved to the 90th–95th percentile
- 2026-10-14 Priority changed: LOW → MEDIUM
- 2026-11-02 CISA SSVC decision points changed
References
Sources
- CVE-2020-8169 · CVE Program
- CVE-2020-8169 · NVD
- FIRST EPSS
- GHSA-whwh-vhp2-pj62 · GitHub Advisory Database · CC BY 4.0
- CVE-2020-8169 · 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