CVE-2022-34400
HIGH
7.1
CVSS Score
Published: February 1, 2023 at 04:24 AM UTC
Updated: June 17, 2026 at 04:50 AM UTC
167 products affected across 1 vendorLatitude 3320 FirmwarePrecision 5760 FirmwareLatitude 3520 Firmware
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Severity
HIGH7.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
Description
Dell BIOS contains a heap buffer overflow vulnerability. A local attacker with admin privileges could potentially exploit this vulnerability to perform an arbitrary write to SMRAM during SMM.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.17.0
Affected range stops below 1.17.0, so it looks safe — our inference, not a vendor statement
v < 1.4.3
Affected range stops below 1.4.3, so it looks safe — our inference, not a vendor statement
v < 1.8.0
Affected range stops below 1.8.0, so it looks safe — our inference, not a vendor statement
dell-alienware-m15-ryzen-edition-r5 (same device)
v < 1.4.3
Affected range stops below 1.4.3, so it looks safe — our inference, not a vendor statement
dell-alienware-m17-r5-amd (same device)
v < 1.16.0
Affected range stops below 1.16.0, so it looks safe — our inference, not a vendor statement
dell-g15-5510 (same device)
v < 1.18.0
Affected range stops below 1.18.0, so it looks safe — our inference, not a vendor statement
v < 1.8.0
Affected range stops below 1.8.0, so it looks safe — our inference, not a vendor statement
dell-g15-5515 (same device)
v < 1.4.3
Affected range stops below 1.4.3, so it looks safe — our inference, not a vendor statement
dell-g15-5525 (same device)
v < 1.13.0
Affected range stops below 1.13.0, so it looks safe — our inference, not a vendor statement
dell-g5-se-5505 (same device)
v < 2.15.2
Affected range stops below 2.15.2, so it looks safe — our inference, not a vendor statement
dell-inspiron-14-5410-2-in-1 (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)
Vendor Advisory
Source: [email protected]
https://www.dell.com/support/kbdoc/en-us/000205716/dsa-2022-327SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.1HIGHdell
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-122CWE-787
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