Main Vulnerability Database Vulnerabilities #VU81287

Observable discrepancy in framework - CVE-2021-31403

Published: September 29, 2023

Vulnerability identifier: #VU81287

CSH Severity: Low

CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-31403

CWE-ID: CWE-203

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to non-constant-time comparison of CSRF tokens in UIDL request handler. A local user can guess a security token for Fusion endpoints and then use this information to launch further attacks against the affected system.

Affected software

framework
IBM Security Verify Governance

How to mitigate CVE-2021-31403

Install update from vendor's website.

framework - addressed in versions 7.7.24, 8.12.3
IBM Security Verify Governance - update to 10.0.1.0.4

External References

Related Security Bulletins