7.8

CVE-2021-3439: hp inc. hp pc bios Improper Privilege Management

CVSS: 7.8v3.1HighModified
Published 30-01-2023Last modified 27-03-2025
Open JSON

Vulnerability summary

CVE-2021-3439 is a high (CVSS 7.8) Improper Privilege Management vulnerability in hp inc. hp pc bios. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.5% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.17%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-01-2023
    PublishedVulnerability first disclosed.
  2. 27-03-2025
    Last modifiedVulnerability information updated.

Description

HP has identified a potential vulnerability in BIOS firmware of some Workstation products. Firmware updates are being released to mitigate these potential vulnerabilities.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

0.00 pp

From 0.17% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.17%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Hp199 products
Hp inc.1 product
  • hp pc biosSee HP Security Bulletin reference for affected versions.

2 vendors · 200 products · Showing 200 of 378. Use Open JSON for the complete list.

References

1 links