CVE-2020-27955

unknown

Published 2022-02-11 · Modified 2023-12-06

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

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

CVSS v4 NEW

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not yet in upstream

VIR risk

1.0

Description

Git LFS 2.12.0 allows Remote Code Execution.

Predictions

Exploit likelihood

65%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Metasploit modules

exploit_windows/http/git_lfs_rce rank 600

Git Remote Code Execution via git-lfs (CVE-2020-27955)

Source fetch failed: fetch_error — view the original via the link above.

OS impact

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`0`
sid	Fixed	`0`
forky	Fixed	`0`
bullseye	Fixed	`0`
bookworm	Fixed	`0`

Package impact

Ecosystem	Package	Vulnerable	Fixed
Go	github.com/git-lfs/git-lfs	`<2.12.1`	`2.12.1`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.