CVE-2022-44900 - Vulnerability Details - OpenCVE

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.

Published: 2022-12-06

Score: 9.1 Critical

EPSS: 2.2% Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:py7zr_project:py7zr:*:*:*:*:*:python:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
Debian DSA	DSA-5652-1	py7zr security update
Github GHSA	GHSA-m8xw-9x5x-6vh3	py7zr directory traversal vulnerability
Ubuntu USN	USN-7030-1	py7zr vulnerability

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.02242.

Exploitation none

Automatable yes

Technical Impact total

References

Link	Providers
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/

History

Sun, 13 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.24083}`	epss `{'score': 0.25519}`

Wed, 23 Apr 2025 15:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Py7zr Project Py7zr

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-12-06T00:00:00.000Z

Updated: 2025-04-23T14:32:21.734Z

Reserved: 2022-11-07T00:00:00.000Z

Link: CVE-2022-44900

Vulnrichment

Updated: 2024-08-03T14:01:31.332Z

NVD

Status : Modified

Published: 2022-12-06T20:15:10.560

Modified: 2026-06-17T05:09:01.750

Link: CVE-2022-44900

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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