CVE-2020-12279
9.8
CRITICAL · CVSS 3.1 · EPSS 5.2% (pctl 92)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. checkout.c mishandles equivalent filenames that exist because of NTFS short names. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1353.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 5.21% — more likely to be exploited than 92% of all CVEs |
| Weakness | CWE-706 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-04-27 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| debian | debian linux |
| libgit2 | libgit2 |
References
- https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v
- https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4
- https://github.com/libgit2/libgit2/releases/tag/v0.28.4
- https://github.com/libgit2/libgit2/releases/tag/v0.99.0
- https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html
- https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html
- https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v
- https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4
- https://github.com/libgit2/libgit2/releases/tag/v0.28.4
- https://github.com/libgit2/libgit2/releases/tag/v0.99.0
- https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html
- https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html
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