VulnerabilityModified
CVE-2022-44900
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.
CRITICAL 9.1EPSS 2.26%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 2.26% probability · 82th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- py7zr project/py7zr
- Source
- cve@mitre.org
References
- http://packetstormsecurity.com/files/170127/py7zr-0.20.0-Directory-Traversal.htmlExploit, Third Party Advisory, VDB Entry
- https://github.com/miurahr/py7zr/commit/1bb43f17515c7f69673a1c88ab9cc72a7bbef406Patch, Third Party Advisory
- https://lessonsec.com/cve/cve-2022-44900/Exploit, Third Party Advisory
- http://packetstormsecurity.com/files/170127/py7zr-0.20.0-Directory-Traversal.htmlExploit, Third Party Advisory, VDB Entry
- https://github.com/miurahr/py7zr/commit/1bb43f17515c7f69673a1c88ab9cc72a7bbef406Patch, Third Party Advisory
- https://lessonsec.com/cve/cve-2022-44900/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.