CVE-2021-36342

Home/CVE/Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially expl

CVE

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially expl

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 in SMRAM.

HIGH · CVSS 7.5 EPSS 0.0004

Schedule remediation

CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

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Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-20Improper Input Validation

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Affected Products & Versions

dell precision 7510 firmware< 1.24.3
dell precision 7520 firmware< 1.22.0
dell precision 7530 firmware< 1.18.2
dell precision 7540 firmware< 1.15.1
dell precision 7550 firmware< 1.10.1
dell precision 7560 firmware< 1.5.0
dell precision 7710 firmware< 1.24.3
dell precision 7720 firmware< 1.22.0
Show all 60 affected productsdell precision 7730 firmware< 1.18.2
dell precision 7740 firmware< 1.15.1
dell precision 7750 firmware< 1.10.1
dell precision 7760 firmware< 1.5.0
dell vostro 13 5370 firmware< 1.20.0
dell vostro 14 3468 firmware< 3.10.0
dell vostro 14 3478 firmware< 1.15.0
dell vostro 14 5468 firmware< 1.17.0
dell vostro 14 5471 firmware< 1.20.0
dell vostro 15 3568 firmware< 3.10.0
dell vostro 15 3572 firmware< 1.12.0
dell vostro 15 3578 firmware< 1.15.0
dell vostro 15 5410 firmware< 2.4.1
dell vostro 15 5510 firmware< 2.4.1
dell vostro 15 5568 firmware< 1.17.0
dell vostro 15 7570 firmware< 1.15.0
dell vostro 15 7580 firmware< 1.18.0
dell vostro 3070 firmware< 2.20.0
dell vostro 3267 firmware< 1.18.0
dell vostro 3268 firmware< 1.18.0
dell vostro 5502 firmware< 1.8.0
dell vostro 5581 firmware< 2.12.0
dell vostro 5590 firmware< 1.16.1
dell vostro 5591 firmware< 1.18.0
dell vostro 5880 firmware< 1.6.0
dell vostro 5890 firmware< 1.2.2
dell vostro 7500 firmware< 1.10.0
dell vostro 7510 firmware< 1.2.1
dell vostro 7590 firmware< 1.12.1
dell vostro 3400 firmware< 1.9.0
dell vostro 3401 firmware< 1.9.0
dell vostro 3470 firmware< 2.20.0
dell vostro 3471 firmware< 1.8.0
dell vostro 3480 firmware< 1.16.0
dell vostro 3481 firmware< 1.15.0
dell vostro 3490 firmware< 1.15.0
dell vostro 3500 firmware< 1.9.0
dell vostro 3501 firmware< 1.9.0
dell vostro 3510 firmware< 1.6.0
dell vostro 3562 firmware< 1.19.0
dell vostro 3580 firmware< 1.16.0
dell vostro 3581 firmware< 1.15.0
dell vostro 3582 firmware< 1.11.0
dell vostro 3583 firmware< 1.16.0
dell vostro 3584 firmware< 1.15.0
dell vostro 3590 firmware< 1.15.0
dell vostro 3660 firmware< 1.18.0
dell vostro 3667 firmware< 1.18.0
dell vostro 3668 firmware< 1.18.0
dell vostro 3669 firmware< 1.18.0
dell vostro 3670 firmware< 2.20.0
dell vostro 3671 firmware< 1.8.0

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Scoring & Timeline

7.5

HIGH · CVSS v3.1 · security_alert@emc.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD24 Jan 2022 · 08:15 PM

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

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

https://www.dell.com/support/kbdoc/en-us/000193321/dsa-2021-240Vendor Advisory

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