What is CVE-2016-1998?

CVE-2016-1998 is a critical-severity vulnerability in HP Service Manager, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2016-03-22.

How severe is CVE-2016-1998?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2016-1998 known to be exploited?

6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in HP Service Manager

CVE-2016-1998

HPE Service Manager (SM) 9.3x before 9.35 P4 and 9.4x before 9.41.P2 allows remote attackers to execute arbitrary commands via a crafted serialized Java object, related to the Apache Commons Collections library.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2016-03-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.068 (93.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.068 · newest: 0.068 · change: 0.000

Affected products

HP Service Manager — versions 9.30, 9.31, 9.32

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2016-1998?: CVE-2016-1998 is a critical-severity vulnerability in HP Service Manager, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2016-03-22.
How severe is CVE-2016-1998?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-1998 known to be exploited?: 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.