What is the CVSS score of CVE-2022-34391?

CVE-2022-34391 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Alienware Area 51 R5 Firmware CVE-2022-34391

HIGH

Buffer Overflow (CWE-119)

2022-10-12 security_alert@emc.com

RCE Dell Buffer Overflow Alienware Area 51 R5 Firmware Alienware Area 51 R4 Firmware

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 12, 2022 - 20:15 nvd

HIGH 7.8

DescriptionNVD

Dell Client BIOS Versions prior to the remediated version contain an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

AnalysisAI

Dell Client BIOS Versions prior to the remediated version contain an improper input validation vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. Dell Client BIOS Versions prior to the remediated version contain an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM. Affected products include: Dell Alienware Area-51 R5 Firmware, Dell Alienware Area-51 R4 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.