Dell BIOS contains an improper input validation vulnerability.

published 2024-07-02 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-15957

cvss: 5.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits: 0; none known

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user with admin privileges may potentially exploit this vulnerability to modify a UEFI variable, leading to denial of service and escalation of privileges

Patch / fix

fixed in 1

Dell CPG BIOS 1.2.0, 1.2.1, 1.12.0, 1.12.1, 1.13.0, 1.15.0, 1.17.0, 1.19.0, 1.20.0, 1.23.0, 1.24.0, 1.25.0, 1.26.0, 1.27.0, 1.28.0, 1.29.0, 1.31.0, 2.27.0, 2.35.0, 2.39.0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-07-02)

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.1	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L
NVD	3.1	6.7	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

Dell CPG BIOS

Classification

Weakness

CWE-20 Improper Input Validation

References

dell.com /support/kbdoc/en-in/000220141/dsa-2024-030-security-update-for-dell-client-bios-for-an-improper-input-validat
vendor-advisory

Sources

CVE List CVE-2024-0158
NVD CVE-2024-0158

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Summary