What is CVE-2021-26583?

CVE-2021-26583 is a critical-severity vulnerability in HP Ilo Amplifier Pack. CVSS score: 9.8/10. Published 2021-05-10.

How severe is CVE-2021-26583?

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

Vulnerability in HP Ilo Amplifier Pack

CVE-2021-26583

A potential security vulnerability was identified in HPE iLO Amplifier Pack. The vulnerabilities could be remotely exploited to allow remote code execution.

Published 2021-05-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.044 (91.1th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.044 · newest: 0.044 · change: 0.000

Affected products

HP Ilo Amplifier Pack
Ilo Amplifier Pack — versions Prior to Version 1.90

References

support.hpe.com/hpsc/doc/public/display (Vendor Advisory)

Frequently asked questions

What is CVE-2021-26583?: CVE-2021-26583 is a critical-severity vulnerability in HP Ilo Amplifier Pack. CVSS score: 9.8/10. Published 2021-05-10.
How severe is CVE-2021-26583?: Critical severity. CVSS v3 base score is 9.8 out of 10.