CVSS 3.1
9.1 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NCVE-2022-44900
Critical (9.1) in py7zr project py7zr. EPSS 2.5% chance of exploitation in the next 30 days. Fixed in py7zr 0.20.1.
A directory traversal vulnerability in the SevenZipFile.extractall() function of the python library py7zr v0.20.0 and earlier allows attackers to write arbitrary files via extracting a crafted 7z file.
Severity
- EPSS
- 2.5% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)
- CWE
- CWE-22
- Published
- Modified
- Record from
- the NVD, synced
Affected
- py7zr_project:py7zr
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-m8xw-9x5x-6vh3 | PyPI | py7zr | <0.20.1 | 0.20.1 |
| PYSEC-2022-42998 | PyPI | py7zr | <0.20.1 | 0.20.1 |
References
- http://packetstormsecurity.com/files/170127/py7zr-0.20.0-Directory-Traversal.html
- https://github.com/miurahr/py7zr/commit/1bb43f17515c7f69673a1c88ab9cc72a7bbef406
- https://lessonsec.com/cve/cve-2022-44900/
- http://packetstormsecurity.com/files/170127/py7zr-0.20.0-Directory-Traversal.html
- https://github.com/miurahr/py7zr/commit/1bb43f17515c7f69673a1c88ab9cc72a7bbef406