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Vulnerability Intelligence

CVE-2020-27955

CriticalPublic exploit

Git LFS can execute a Git binary from the current directory

Published Feb 11, 2022 · Updated Sep 8, 2026 · Also known as BIT-git-lfs-2020-27955, GHSA-4g4p-42wc-9f3m

Key Facts

Patch immediately
  • CVE-2020-27955 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Git Large File Storage (Git Large File Storage Project), git-lfs (bitnami), github.com/git-lfs/git-lfs (go).
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 82% probability of exploitation in the next 30 days.
  • Fixed versions are available, including git-lfs 2.12.1, git-lfs 3.2.0-1.ph4, git-lfs NA.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

9.8

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

EPSS (30-day exploit likelihood)

82%

Higher than 99.6% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2020-27955 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Git LFS 2.12.0 allows Remote Code Execution.

Affected Products

10 affected entries in total
ProductAffected versionsFixed in
Git Large File StorageGit Large File Storage Project2.12.0n/a
git-lfsbitnami>= 2.12.02.12.1
github.com/git-lfs/git-lfsgoSee advisory2.12.1

Patched Releases

git-lfs

2.12.1, 3.2.0-1.ph4, NA

github.com/git-lfs/git-lfs

2.12.1

Timeline

  1. Publicly disclosed

    Feb 11, 2022

  2. Last updated

    Sep 8, 2026

Weakness Type

  • CWE-427 Uncontrolled Search Path Element

References

7 more references in the full CVE brief

FAQ

Common Questions.

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