CVE-2021-39299 json
Potential vulnerabilities have been identified in UEFI firmware (BIOS) for some PC products which may allow escalation of privilege and arb…
published 2022-02-16 4 y ago modified 2026-10-07 32 d ago also EUVD-2021-25660
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 31%
- public exploits
- 0
- none known
Summary
Potential vulnerabilities have been identified in UEFI firmware (BIOS) for some PC products which may allow escalation of privilege and arbitrary code execution.
Patch / fix
- 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
- hp elitebook_836_g6_firmware 01.12.00
- hp elitebook_840_aero_g8_firmware 01.08.00
- hp elitebook_840_g5_firmware 01.19.00
- hp elitebook_840_g5_healthcare_edition_firmware 01.19.00
- hp elitebook_840_g6_firmware 01.12.00
- hp elitebook_840_g6_healthcare_edition_firmware 01.12.00
- hp elitebook_840_g7_firmware 01.08.00
- hp elitebook_840_g8_firmware 01.08.00
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 32 d ago
Exploit prediction
0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- n/a BUSINESS NOTEBOOK PCS BIOS; BUSINESS DESKTOP PCS BIOS; RETAIL POINT-OF-SALE SYSTEMS BIOS; WORKSTATIONS BIOS
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
References
-
support.hp.com
/us-en/document/ish_5661066-5661090-16
patch, vendor-advisory
Sources
- CVE List CVE-2021-39299
- NVD CVE-2021-39299
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.