cvedb.io
CVE-2024-20355
MEDIUM · CVSS 5
EPSS exploitation probability: 26%
Published 2024-05-22T17:16:13.477 · Last modified 2026-08-11T19:33:44.513

Summary

A vulnerability in the implementation of SAML 2.0 single sign-on (SSO) for remote access VPN services in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to successfully establish a VPN session on an affected device. This vulnerability is due to improper separation of authorization domains when using SAML authentication. An attacker could exploit this vulnerability by using valid credentials to successfully authenticate using their designated connection profile (tunnel group), intercepting the SAML SSO token that is sent back from the Cisco ASA device, and then submitting the same SAML SSO token to a different tunnel group for authentication. A successful exploit could allow the attacker to esta

Affected products

cisco — adaptive_security_appliance_software

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.