Cyber Resilience

CVE-2023-45231

MediumPublic PoC

Published: 16 January 2024

Published
16 January 2024
Modified
04 November 2025
KEV Added
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Patch
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CVSS Score v3.1 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0011 28.1th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-45231 is a medium-severity Out-of-bounds Read (CWE-125) vulnerability in Tianocore Edk2. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 28.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing  Neighbor Discovery Redirect message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

CWE(s)
CWE-125

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

tianocore
edk2
≤ 202311

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References