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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTkyNG0tNHBteC1jNjdo

pysaml2 Improper Authentication vulnerability

pysaml2 version 4.4.0 and older accept any password when run with python optimizations enabled. This allows attackers to log in as any user without knowing their password.

Permalink: https://github.com/advisories/GHSA-924m-4pmx-c67h
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTkyNG0tNHBteC1jNjdo
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 6 years ago
Updated: about 1 month ago


CVSS Score: 8.1
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Percentage: 0.00232
EPSS Percentile: 0.61505

Identifiers: GHSA-924m-4pmx-c67h, CVE-2017-1000433
References: Repository: https://github.com/rohe/pysaml2
Blast Radius: 20.9

Affected Packages

pypi:pysaml2
Dependent packages: 26
Dependent repositories: 378
Downloads: 819,099 last month
Affected Version Ranges: < 4.5.0
Fixed in: 4.5.0
All affected versions: 0.4.3, 1.0.1, 1.0.2, 1.0.3, 1.1.0, 2.0.0, 2.1.0, 2.2.0, 2.3.0, 2.4.0, 3.0.0, 3.0.2, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5, 4.1.0, 4.2.0, 4.3.0, 4.4.0
All unaffected versions: 4.5.0, 4.6.0, 4.6.1, 4.6.2, 4.6.3, 4.6.4, 4.6.5, 4.7.0, 4.8.0, 4.9.0, 5.0.0, 5.1.0, 5.2.0, 5.3.0, 5.4.0, 6.0.0, 6.1.0, 6.2.0, 6.3.0, 6.3.1, 6.4.0, 6.4.1, 6.5.0, 6.5.1, 6.5.2, 7.0.0, 7.0.1, 7.1.0, 7.1.1, 7.1.2, 7.2.0, 7.2.1, 7.3.0, 7.3.1, 7.4.0, 7.4.1, 7.4.2, 7.5.0