CVE-2017-14867
CVE-2017-14867 is a high-severity vulnerability in Git-scm Git with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 36% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 9.0
- EPSS exploit prediction: 36% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-78
- Affected product: Git-scm Git
- Published:
- Last modified:
Description
Git before 2.10.5, 2.11.x before 2.11.4, 2.12.x before 2.12.5, 2.13.x before 2.13.6, and 2.14.x before 2.14.2 uses unsafe Perl scripts to support subcommands such as cvsserver, which allows attackers to execute arbitrary OS commands via shell metacharacters in a module name. The vulnerable code is reachable via git-shell even without CVS support.
Frequently asked questions
- What is CVE-2017-14867?
- Git before 2.10.5, 2.11.x before 2.11.4, 2.12.x before 2.12.5, 2.13.x before 2.13.6, and 2.14.x before 2.14.2 uses unsafe Perl scripts to support subcommands such as cvsserver, which allows attackers to execute arbitrary OS commands via shell metacharacters in a module name. The vulnerable code is reachable via git-shell even without CVS support.
- How severe is CVE-2017-14867?
- CVE-2017-14867 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2017-14867 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 36% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-14867?
- CVE-2017-14867 primarily affects Git-scm Git. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2017-14867?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2017-14867 published?
- CVE-2017-14867 was published on 2017-09-29 and last updated on 2026-06-17.
References
- http://www.openwall.com/lists/oss-security/2017/09/26/9
- http://www.securityfocus.com/bid/101060
- http://www.securitytracker.com/id/1039431
- https://bugs.debian.org/876854
- https://lists.debian.org/debian-security-announce/2017/msg00246.html
- https://public-inbox.org/git/xmqqy3p29ekj.fsf%40gitster.mtv.corp.google.com/T/#u
- https://www.debian.org/security/2017/dsa-3984
Affected products (20)
- cpe:2.3:a:git-scm:git:*:*:*:*:*:*:*:*
- cpe:2.3:a:git-scm:git:2.11.0:*:*:*:*:*:*:*
- cpe:2.3:a:git-scm:git:2.11.1:*:*:*:*:*:*:*
- cpe:2.3:a:git-scm:git:2.11.2:*:*:*:*:*:*:*
- cpe:2.3:a:git-scm:git:2.11.3:*:*:*:*:*:*:*
- cpe:2.3:a:git-scm:git:2.12.0:*:*:*:*:*:*:*
- cpe:2.3:a:git-scm:git:2.12.1:*:*:*:*:*:*:*
- cpe:2.3:a:git-scm:git:2.12.2:*:*:*:*:*:*:*
- cpe:2.3:a:git-scm:git:2.12.3:*:*:*:*:*:*:*
- cpe:2.3:a:git-scm:git:2.12.4:*:*:*:*:*:*:*
- cpe:2.3:a:git-scm:git:2.13.0:*:*:*:*:*:*:*
- cpe:2.3:a:git-scm:git:2.13.1:*:*:*:*:*:*:*
- cpe:2.3:a:git-scm:git:2.13.2:*:*:*:*:*:*:*
- cpe:2.3:a:git-scm:git:2.13.3:*:*:*:*:*:*:*
- cpe:2.3:a:git-scm:git:2.13.4:*:*:*:*:*:*:*
- cpe:2.3:a:git-scm:git:2.13.5:*:*:*:*:*:*:*
- cpe:2.3:a:git-scm:git:2.14.0:*:*:*:*:*:*:*
- cpe:2.3:a:git-scm:git:2.14.1:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
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