CVE-2022-44900
CRITICALCVSS 9.1/10EPSS 2.24%
Last modified
CVE-2022-44900 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 2.24% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Py7zr Project | Py7zr | < 0.20.1 |
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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2022-44900?
CVE-2022-44900 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 2.24% probability of exploitation in the next 30 days.
How do I fix CVE-2022-44900?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2022-44900?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST