CVE-2022-44900

CVSS 9.1 CRITICALEPSS 2.2%CWE-22

Vexday Risk Score

48Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 9.1EPSS 2.2%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

06 Dec 2022Published on NVD

21 Jan 2023Public PoC

Recommendation: Plan a near-term fix — a public PoC already exists.

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/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

n/a · n/a

public PoCs found — 2

githubgithub.com/0xless/CVE-2022-44900-demo-lab★ 1 cve_referencepacketstormsecurity.com/files/170127/py7zr-0.20.0-Directory-Traversal.htmlunverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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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/