Home/CVE/A buffer over-read was reported in the BiosExtensionLoader module in some Lenovo Desktop products that may allow a local
CVE

CVE-2023-43572

A buffer over-read was reported in the BiosExtensionLoader module in some Lenovo Desktop products that may allow a local

A buffer over-read was reported in the BiosExtensionLoader module in some Lenovo Desktop products that may allow a local attacker with elevated privileges to disclose sensitive information.

MEDIUM · CVSS 4.4 EPSS 0.00036
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
CWE-126Buffer Over-read
▤

Affected Products & Versions

60
lenovo ideacentre c5-14imb05 firmware< o4hkt3ca
lenovo ideacentre 3-07ada05 firmware< o4fkt39a
lenovo ideacentre 3-07imb05 firmware< m2vkt21a
lenovo ideacentre 5 14iab7 firmware< m42kt46a
lenovo ideacentre 5 14irb8 firmware< m4ukt36a
lenovo ideacentre 5-14acn6 firmwareall versions
lenovo ideacentre t540-15ama g firmwareall versions
lenovo thinkcentre neo 70t gen 3 firmware< m40kt45a
▣

Scoring & Timeline

4.4
MEDIUM · CVSS v3.1 · psirt@lenovo.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 NVD08 Nov 2023 · 11:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
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.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.lenovo.com/us/en/product_security/LEN-141775Vendor Advisory
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