Authentication Bypass by Capture-replay in Sustainsys.Saml2 - CVE-2020-5261

 

Authentication Bypass by Capture-replay in Sustainsys.Saml2 - CVE-2020-5261

Published: April 1, 2020


Vulnerability identifier: #VU26503
CSH Severity: Medium
CVSS v4: 7.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-5261
CWE-ID: CWE-294
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass authentication on the target system.

The vulnerability exists due to improper implementation of Token Replay Detection. A remote authenticated attacker can bypass authentication process.


Affected software

Sustainsys.Saml2

How to mitigate CVE-2020-5261

Install updates from vendor's website.

Sustainsys.Saml2 - update to 2.5.0

External References

Related Security Bulletins