CVE-2023-20264
CVSS 3.1 Score 6.1 of 10 (medium)
Details
Summary
CVE-2023-20264 is a vulnerability affecting the Security Assertion Markup Language (SAML) 2.0 single sign-on (SSO) implementation in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software. The issue stems from insufficient validation of login URLs, enabling unauthenticated, remote attackers to intercept SAML assertions of users authenticating to remote access VPN sessions. By manipulating the login URL, an attacker could establish a VPN session with the identity and permissions of the compromised user, potentially granting access to the protected network.
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Affected Products
- Cisco Adaptive Security Appliance ASA Software
- Cisco Firepower Threat Defense
Affected Vendors
- Cisco Systems Inc
Advisories, Assessments, and Mitigations
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