CVE-2021-3439
HIGH
7.8
CVSS Score
Published: January 30, 2023 at 09:39 PM UTC
Updated: June 17, 2026 at 04:05 AM UTC
755 products affected across 1 vendorElitebook 850 G6 FirmwareElitebook 840 G6 FirmwareProbook 640 G5 Firmware
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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
Description
HP has identified a potential vulnerability in BIOS firmware of some Workstation products. Firmware updates are being released to mitigate these potential vulnerabilities.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
All versions
hp-200-g3-all-in-one-rom-family-ssid-8431 (same device)
All versions
hp-200-g3-all-in-one-rom-family-ssid-84de (same device)
All versions
hp-200-g4-22-all-in-one-pc-rom-family-ssid-86f0 (same device)
All versions
hp-200-g4-22-all-in-one-pc-rom-family-ssid-86f8 (same device)
All versions
hp-200-pro-g4-22-all-in-one-pc-rom-family-ssid-86f0 (same device)
All versions
hp-200-pro-g4-22-all-in-one-pc-rom-family-ssid-86f8 (same device)
All versions
hp-205-g4-22-all-in-one-pc-rom-family-ssid-86f0 (same device)
All versions
hp-205-g4-22-all-in-one-pc-rom-family-ssid-86f8 (same device)
All versions
hp-205-pro-g4-22-all-in-one-pc-rom-family-ssid-86f0 (same device)
All versions
hp-205-pro-g4-22-all-in-one-pc-rom-family-ssid-86f8 (same device)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
PatchVendor Advisory
Source: [email protected]
https://support.hp.com/us-en/document/ish_3982318-3982351-16/hpsbhf03735SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.8HIGHCISA-ADP
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfoCWE-269
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