What’s Vulnerable › Vulnerabilities

CVE-2021-39301

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-02-16 · updated 2026-10-07
• Weakness: CWE-269

Description

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

Affected products

• HP 260 G3 Desktop Mini Pc Firmware: through 2.17.00
• HP Elite Dragonfly Firmware: before 01.12.00 — fixed in 01.12.00
• HP Elite Dragonfly G2 Firmware: before 01.08.00 — fixed in 01.08.00
• HP Elite Dragonfly Max Firmware: before 01.08.00 — fixed in 01.08.00
• HP Elite X2 1013 G3 Firmware: before 01.19.00 — fixed in 01.19.00
• HP Elite X2 G4 Firmware: before 01.12.00 — fixed in 01.12.00
• HP Elite X2 G8 Tablet Firmware: before 01.08.00 — fixed in 01.08.00
• HP Elitebook 1050 G1 Firmware: before 01.19.00 — fixed in 01.19.00
• HP Elitebook 830 G5 Firmware: before 01.19.00 — fixed in 01.19.00
• HP Elitebook 830 G6 Firmware: before 01.12.00 — fixed in 01.12.00
• HP Elitebook 830 G7 Firmware: before 01.08.00 — fixed in 01.08.00
• HP Elitebook 830 G8 Firmware: before 01.08.00 — fixed in 01.08.00
• HP Elitebook 836 G5 Firmware: before 01.19.00 — fixed in 01.19.00
• HP Elitebook 836 G6 Firmware: before 01.12.00 — fixed in 01.12.00
• HP Elitebook 840 Aero G8 Firmware: before 01.08.00 — fixed in 01.08.00
• HP Elitebook 840 G5 Firmware: before 01.19.00 — fixed in 01.19.00
• HP Elitebook 840 G5 Healthcare Edition Firmware: before 01.19.00 — fixed in 01.19.00
• HP Elitebook 840 G6 Firmware: before 01.12.00 — fixed in 01.12.00
• HP Elitebook 840 G6 Healthcare Edition Firmware: before 01.12.00 — fixed in 01.12.00
• HP Elitebook 840 G7 Firmware: before 01.08.00 — fixed in 01.08.00
• HP Elitebook 840 G8 Firmware: before 01.08.00 — fixed in 01.08.00
• HP Elitebook 840R G4 Firmware: before 01.19.00 — fixed in 01.19.00
• HP Elitebook 846 G5 Firmware: before 01.19.00 — fixed in 01.19.00
• HP Elitebook 850 G5 Firmware: before 01.19.00 — fixed in 01.19.00
• HP Elitebook 850 G6 Firmware: before 01.12.00 — fixed in 01.12.00
• HP Elitebook 850 G7 Firmware: before 01.08.00 — fixed in 01.08.00
• HP Elitebook 850 G8 Firmware: before 01.08.00 — fixed in 01.08.00
• HP Elitebook X360 1030 G3 Firmware: before 01.19.00 — fixed in 01.19.00
• HP Elitebook X360 1030 G4 Firmware: before 01.12.00 — fixed in 01.12.00
• HP Elitebook X360 1030 G7 Firmware: before 01.08.00 — fixed in 01.08.00

How to fix

Upgrade to a fixed version: HP Elite Dragonfly Firmware 01.12.00; HP Elite Dragonfly G2 Firmware 01.08.00; HP Elite Dragonfly Max Firmware 01.08.00; HP Elite X2 1013 G3 Firmware 01.19.00; HP Elite X2 G4 Firmware 01.12.00; HP Elite X2 G8 Tablet Firmware 01.08.00; HP Elitebook 1050 G1 Firmware 01.19.00; HP Elitebook 830 G5 Firmware 01.19.00; HP Elitebook 830 G6 Firmware 01.12.00; HP Elitebook 830 G7 Firmware 01.08.00; HP Elitebook 830 G8 Firmware 01.08.00; HP Elitebook 836 G5 Firmware 01.19.00. Check the vendor advisory for mitigations.

References

• https://support.hp.com/us-en/document/ish_5661066-5661090-16
• https://support.hp.com/us-en/document/ish_5661066-5661090-16

Get alerted when CVE-2021-39301 or the next vulnerability affects your stack