What is CVE-2021-39301?

CVE-2021-39301 is a high-severity vulnerability in HP 260 G3 Desktop Mini Pc, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2022-02-16.

How severe is CVE-2021-39301?

High severity. CVSS v3 base score is 8.8 out of 10.

Privilege escalation in HP 260 G3 Desktop Mini Pc

CVE-2021-39301

Potential vulnerabilities have been identified in UEFI firmware (BIOS) for some PC products which may allow escalation of privilege and arbitrary code execution.

Vulnerability class: Privilege Escalation

Published 2022-02-16 · last modified 2026-10-07.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (32.5th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: -0.001

Affected products

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

support.hp.com/us-en/document/ish_5661066-5661090-16 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-39301?: CVE-2021-39301 is a high-severity vulnerability in HP 260 G3 Desktop Mini Pc, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2022-02-16.
How severe is CVE-2021-39301?: High severity. CVSS v3 base score is 8.8 out of 10.