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CVE-2025-59270

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Date: September 16, 2025

psPAS PowerShell module does not explicitly enforce TLS 1.2 within the 'Get-PASSAMLResponse' function during the SAML authentication process. An unauthenticated attacker in a 'Man-in-the-Middle' position could manipulate the TLS handshake and downgrade TLS to a deprecated protocol. Fixed in 7.0.209.

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2025-59270
https://github.com/pspete/psPAS/releases/tag/v7.0.209
https://github.com/pspete/psPAS/commit/2a8b1b4bc001bec9969ea512ed83386ed3e0b8f8#diff-e40bf02e86c8a8babbb20529ecaef6a069d8b5ea21701dca429dce78181109a7L37-R75
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-258-01.json
https://www.cve.org/CVERecord?id=CVE-2025-59270
https://www.mend.io/vulnerability-database/CVE-2025-59270

Severity Score

Weakness Type (CWE)

Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')

CWE-757

Top Fix

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Upgrade Version

Upgrade to version https://github.com/pspete/psPAS.git - v7.0.209

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CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

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