Vulnerability · Published Nov 5, 2020 · Assigned by mitre
CVE-2020-27955
Critical 9.8
In plain English
A critical-severity security flaw in the github.com/git-lfs/git-lfs package (Go). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 82.3% (higher than 99.7% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)82.3%top 0.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling2Metasploit, Public PoC
Official description
Git LFS 2.12.0 allows Remote Code Execution.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/git-lfs/git-lfs | 2.12.1 | GHSA-4g4p-42wc-9f3m |
Affected products (as reported)
References
- https://legalhackers.com x_refsource_MISC
- https://exploitbox.io x_refsource_MISC
- https://github.com/git-lfs/git-lfs/releases x_refsource_MISC
- https://legalhackers.com/advisories/Git-LFS-RCE-Exploit-CVE-2020-27955.html x_refsource_MISC
- 20201105 Git LFS (git-lfs) - Remote Code Execution (RCE) exploit CVE-2020-27955 - Clone to Pwn mailing-list, x_refsource_FULLDISC
- http://packetstormsecurity.com/files/159923/git-lfs-Remote-Code-Execution.html x_refsource_MISC
- http://packetstormsecurity.com/files/164180/Git-git-lfs-Remote-Code-Execution.html x_refsource_MISC