Home/CVE/The BIOS implementation on Dell Latitude, OptiPlex, Precision Mobile Workstation, and Precision Workstation Client Solut
CVE

CVE-2015-2890

The BIOS implementation on Dell Latitude, OptiPlex, Precision Mobile Workstation, and Precision Workstation Client Solut

The BIOS implementation on Dell Latitude, OptiPlex, Precision Mobile Workstation, and Precision Workstation Client Solutions (CS) devices with model-dependent firmware before A21 does not enforce a BIOS_CNTL locking protection mechanism upon being woken from sleep, which allows local users to conduct EFI flash attacks by leveraging console access, a similar issue to CVE-2015-3692.

MEDIUM · CVSS 6 EPSS 0.00316
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Affected Products & Versions

9
dell bios<= a20
dell bios<= a12
dell bios<= a15
dell bios<= a18
dell bios<= a14
dell biosall versions
dell bios<= a11
dell bios<= a10
▣

Scoring & Timeline

6
MEDIUM · CVSS v3.1 · cret@cert.org
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 NVD01 Aug 2015 · 01:59 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
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References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.kb.cert.org/vuls/id/577140Third Party AdvisoryUS Government Resource
http://www.kb.cert.org/vuls/id/BLUU-9XXQ9LThird Party AdvisoryUS Government Resource
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