CVE-2023-32453

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CVE

Dell BIOS contains an improper authentication vulnerability. A malicious user with physical access to the system may pot

Dell BIOS contains an improper authentication vulnerability. A malicious user with physical access to the system may potentially exploit this vulnerability in order to modify a security-critical UEFI variable without knowledge of the BIOS administrator.

MEDIUM · CVSS 4.6 EPSS 0.00033

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

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Weakness Classification

CWE-287Improper Authentication

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Affected Products & Versions

dell alienware m15 r7 firmware< 1.18.0
dell alienware m16 firmware< 1.10.1
dell alienware m18 firmware< 1.10.1
dell chengming 3900 firmware< 1.15.0
dell chengming 3901 firmware< 1.15.0
dell chengming 3910 firmware< 1.6.0
dell chengming 3911 firmware< 1.6.0
dell g15 5520 firmware< 1.18.0
Show all 60 affected productsdell g16 7620 firmware< 1.18.0
dell g3 3500 firmware< 1.26.0
dell g5 15 5500 firmware< 1.26.0
dell g7 15 7500 firmware< 1.26.0
dell g7 17 7700 firmware< 1.26.0
dell precision 5680 firmware< 1.4.1
dell inspiron 14 5410 firmware< 2.20.0
dell inspiron 14 5418 firmware< 2.20.0
dell inspiron 15 3511 firmware< 1.23.0
dell inspiron 15 5510 firmware< 2.20.0
dell inspiron 15 5518 firmware< 2.20.0
dell inspiron 24 5420 all-in-one firmware< 1.4.0
dell inspiron 24 5421 all-in-one firmware< 1.4.0
dell inspiron 27 7720 all-in-one firmware< 1.4.0
dell inspiron 3020 small desktop firmware<= 1.6.0
dell inspiron 3020 desktop firmware< 1.6.0
dell inspiron 3493 firmware< 1.27.0
dell inspiron 3511 firmware< 1.23.0
dell inspiron 3593 firmware< 1.27.0
dell inspiron 3793 firmware< 1.27.0
dell inspiron 3891 firmware< 1.19.0
dell inspiron 3910 firmware< 1.15.0
dell inspiron 5410 firmware< 2.20.0
dell inspiron 5493 firmware< 1.27.0
dell inspiron 5593 firmware< 1.27.0
dell inspiron 7300 2-in-1 firmware< 1.19.0
dell inspiron 7490 firmware< 1.22.0
dell inspiron 7500 firmware< 1.24.0
dell inspiron 7500 2-in-1 black firmware< 1.19.0
dell inspiron 7501 firmware< 1.24.0
dell inspiron 7510 firmware< 1.17.0
dell inspiron 7610 firmware< 1.17.0
dell latitude 3140 firmware< 1.8.0
dell latitude 3301 firmware< 1.27.0
dell latitude 3320 firmware< 1.23.0
dell latitude 3330 firmware< 1.15.0
dell latitude 3340 firmware< 1.6.0
dell latitude 3400 firmware< 1.29.0
dell latitude 3430 firmware< 1.12.0
dell latitude 3440 firmware< 1.6.0
dell latitude 3500 firmware< 1.29.0
dell latitude 3530 firmware< 1.12.0
dell latitude 3540 firmware< 1.6.0
dell latitude 5420 firmware< 1.30.0
dell latitude 5430 firmware< 1.15.0
dell latitude 5431 firmware< 1.15.0
dell latitude 7230 rugged extreme tablet firmware< 1.8.0
dell latitude 7320 firmware< 1.28.0
dell latitude 7420 firmware< 1.28.0
dell latitude 7520 firmware< 1.28.0
dell latitude 9330 firmware< 1.13.0
dell latitude 9520 firmware< 1.24.0

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Scoring & Timeline

4.6

MEDIUM · 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 NVD16 Aug 2023 · 08:15 PM

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

SSVC triage · cisa-vulnrichment

Exploitation

none

Automatable

Technical impact

partial

SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

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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/000215217/dsa-2023-190-dell-client-biosVendor Advisory

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