High severity · published Jan 30, 2023
CVE-2021-3439
HP has identified a potential vulnerability in BIOS firmware of some Workstation products
7.8
CVSS
0.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HP
HP PC BIOS · HP Inc.
See HP Security Bulletin reference for affected versions. · source: vendor
3G
340 G3 Firmware · HP
before f.52 · source: NVD
3G
340 G4 Firmware · HP
before f.62 · source: NVD
3G
346 G3 Firmware · HP
before f.52 · source: NVD
3G
346 G4 Firmware · HP
before f.50 · source: NVD
3G
348 G3 Firmware · HP
before f.52 · source: NVD
3G
348 G4 Firmware · HP
before f.62 · source: NVD
ED
Elite Dragonfly Firmware · HP
before 01.09.00 · source: NVD
ED
Elite Dragonfly G2 Firmware · HP
before 01.04.01 · source: NVD
ED
Elite Dragonfly Max Firmware · HP
before 01.04.01 · source: NVD
EX
Elite X2 1012 G1 Firmware · HP
before 1.52 · source: NVD
EX
Elite X2 1012 G1 Tablet Firmware · HP
before 1.52 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3439
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3439
Patch
https://support.hp.com/us-en/document/ish_3982318-3982351-16/hpsbhf03735
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