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:*:*:*:*:*:*:*
More vulnerabilities in Git-scm Git
- CVE-2022-41903 — Critical (CVSS 9.8): Git is distributed revision control system. `git log` can display commits in an arbitrary format using its `--format`…
- CVE-2022-23521 — Critical (CVSS 9.8): Git is distributed revision control system. gitattributes are a mechanism to allow defining attributes for paths. These…
- CVE-2014-9390 — Critical (CVSS 9.8): Git before 1.8.5.6, 1.9.x before 1.9.5, 2.0.x before 2.0.5, 2.1.x before 2.1.4, and 2.2.x before 2.2.1 on Windows and…
- CVE-2019-1353 — Critical (CVSS 9.8): An issue was found in Git before v2.24.1, v2.23.1, v2.22.2, v2.21.1, v2.20.2, v2.19.3, v2.18.2, v2.17.3, v2.16.6,…
- CVE-2018-19486 — Critical (CVSS 9.8): Git before 2.19.2 on Linux and UNIX executes commands from the current working directory (as if '.' were at the end of…
- CVE-2018-17456 — Critical (CVSS 9.8): Git before 2.14.5, 2.15.x before 2.15.3, 2.16.x before 2.16.5, 2.17.x before 2.17.2, 2.18.x before 2.18.1, and 2.19.x…
All CVEs affecting Git-scm Git →
Other CWE-78 (OS Command Injection) vulnerabilities
- CVE-2026-19188 — Critical (CVSS 10.0): A critical OS command injection vulnerability has been identified in the Haiwell IoT Cloud HMI Gateway product. The…
- CVE-2026-48362 — Critical (CVSS 10.0): ColdFusion is affected by an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')…
- CVE-2026-16812 — Critical (CVSS 10.0): VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access…
- CVE-2026-6516 — Critical (CVSS 10.0): Zohocorp ManageEngine ADAudit Plus versions before 8606 are affected by Unauthenticated Remote code execution due to…
- CVE-2026-46339 — Critical (CVSS 10.0): 9Router is an AI router & token saver. From 0.4.30 until 0.4.37, 9Router's src/proxy.js middleware did not protect…
- CVE-2026-59726 — Critical (CVSS 10.0): Ruflo is an agent meta-harness for Claude Code and Codex. Prior to 3.16.3, ruflo's default docker-compose deployment…