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CVE-2020-27955

83
FAUCET Score

CVE-2020-27955 is a critical Remote Code Execution vulnerability affecting Git LFS versions up to 2.12.0. With a CVSS score of 9.8, it presents a severe risk as it can be exploited remotely without user interaction, leading to complete compromise of confidentiality, integrity, and availability. While not listed on CISA KEV, public exploit modules like Metasploit exist, and it has garnered significant community discussion and media attention, indicating a high likelihood of exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
2.12.0CPE matchmatch criteria
cpe:2.3:a:git_large_file_storage_project:git_large_file_storage:2.12.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
82.11%
Probability of exploitation in next 30 days
EPSS Percentile
99.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
Metasploit: Git Remote Code Execution via git-lfs (CVE-2020-27955) · Nov 4, 2020
This CVE's current EPSS score of 0.8211 is in the 98th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

gopatch availablevia ghsa
Product: github.com/git-lfs/git-lfsFixed in: 2.12.1

Vendor Advisories (1)

goGHSA-4g4p-42wc-9f3mcritical

Git LFS can execute a Git binary from the current directory

Feb 11, 2022

References

packetstormsecurity.com / files/159923/git-lfs-Remote-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/164180/Git-git-lfs-Remote-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
seclists.org / fulldisclosure/2020/Nov/1
ExploitMailing ListThird Party Advisory
exploitbox.io
ExploitThird Party Advisory
github.com / git-lfs/git-lfs/releases
Release NotesThird Party Advisory
legalhackers.com
Third Party Advisory
legalhackers.com / advisories/Git-LFS-RCE-Exploit-CVE-2020-27955.html
ExploitThird Party Advisory