Deserialization in HP Hp-Ux

CVE-2025-36038

IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially crafted sequence of serialized objects.

Vulnerability class: Insecure Deserialization

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.133 (96.4th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-36038: rose from 0.108 to 0.133.

EPSS over last 30 days · oldest: 0.108 · newest: 0.133 · change: +0.025

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-36038?
CVE-2025-36038 is a critical-severity vulnerability in HP Hp-Ux, classified under Deserialization of Untrusted Data. CVSS score: 9.0/10. Published 2025-06-25.
How severe is CVE-2025-36038?
Critical severity. CVSS v3 base score is 9.0 out of 10.
Is CVE-2025-36038 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.