VulnerabilityModified

CVE-2022-24421

Dell BIOS contains an improper input validation vulnerability.

HIGH 7.8EPSS 0.29%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.29%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution during SMM.

CVSS 3.1: 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.29% probability · 22th percentile
CISA KEV: Not listed
Weakness: CWE-119
Affected: dell/alienware 13 r3 firmware · dell/alienware 15 r3 firmware · dell/alienware 15 r4 firmware · dell/alienware 17 r4 firmware · dell/alienware 17 r5 firmware · dell/alienware area 51m r1 firmware · dell/alienware area 51m r2 firmware · dell/alienware aurora r8 firmware · dell/alienware m15 r2 firmware · dell/alienware m15 r3 firmware · dell/alienware m15 r4 firmware · dell/alienware m17 r2 firmware · dell/alienware m17 r3 firmware · dell/alienware m17 r4 firmware · dell/alienware x15 r1 firmware · dell/alienware x17 r1 firmware · dell/edge gateway 3000 firmware · dell/edge gateway 5000 firmware · dell/edge gateway 5100 firmware · dell/embedded box pc 3000 firmware · +26 more
Source: security_alert@emc.com

References

https://www.dell.com/support/kbdoc/en-us/000197057/dsa-2022-053Vendor Advisory
https://www.dell.com/support/kbdoc/en-us/000197057/dsa-2022-053Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.