Path Traversal in Py7zr Project
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.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.023 (81.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Py7zr_project Py7zr
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory)
- cve@mitre.org (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-44900?
- CVE-2022-44900 is a critical-severity vulnerability in Py7zr Project, classified under Path Traversal. CVSS score: 9.1/10. Published 2022-12-06.
- How severe is CVE-2022-44900?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2022-44900 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.