What is CVE-2025-33142?

CVE-2025-33142 is a medium-severity vulnerability in HP Hp-Ux, classified under Improper Certificate Validation. CVSS score: 5.3/10. Published 2025-08-14.

How severe is CVE-2025-33142?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in HP Hp-Ux

CVE-2025-33142

IBM WebSphere Application Server 8.5 and 9.0 could provide weaker than expected security for TLS connections.

Vulnerability class: Improper Certificate Validation

Published 2025-08-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (17.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

HP Hp-Ux
IBM Aix
IBM I
IBM Websphere Application Server — versions 8.5, 9.0
IBM Websphere Application Server
IBM Z\/os
Linux Kernel
Microsoft Windows
Oracle Solaris

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

www.ibm.com/support/pages/node/7242172 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-33142?: CVE-2025-33142 is a medium-severity vulnerability in HP Hp-Ux, classified under Improper Certificate Validation. CVSS score: 5.3/10. Published 2025-08-14.
How severe is CVE-2025-33142?: Medium severity. CVSS v3 base score is 5.3 out of 10.