What is CVE-2025-31991?

CVE-2025-31991 is a medium-severity vulnerability in Hclsoftware Velocity, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 6.8/10. Published 2026-04-13.

How severe is CVE-2025-31991?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Hclsoftware Velocity

CVE-2025-31991

Rate Limiting for attempting a user login is not being properly enforced, making HCL DevOps Velocity susceptible to brute-force attacks past the unsuccessful login attempt limit. This vulnerability is fixed in 5.1.7.

EPSS: 0.000 (10.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N.

Affected products

Hclsoftware Velocity — versions <.5.1.7

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

support.hcl-software.com/csm

Frequently asked questions

What is CVE-2025-31991?: CVE-2025-31991 is a medium-severity vulnerability in Hclsoftware Velocity, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 6.8/10. Published 2026-04-13.
How severe is CVE-2025-31991?: Medium severity. CVSS v3 base score is 6.8 out of 10.