Cyber Resilience

CVE-2023-5779

MediumPublic PoC

Published: 18 February 2024

Published
18 February 2024
Modified
22 January 2025
KEV Added
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Patch
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CVSS Score v3.1 4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
EPSS Score 0.0009 26.4th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-5779 is a medium-severity Out-of-bounds Write (CWE-787) vulnerability in Zephyrproject Zephyr. Its CVSS base score is 4.4 (Medium).

Operationally, ranked at the 26.4th 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

can: out of bounds in remove_rx_filter function

CWE(s)
CWE-787

Related Threats

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

Affected Assets

zephyrproject
zephyr
≤ 3.5.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References