Is CVE-2023-5779 actively exploited?

No active exploitation of CVE-2023-5779 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-5779 be exploited remotely?

Yes. CVE-2023-5779 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-5779?

CVE-2023-5779 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-5779

CWE-787Published: February 18, 2024· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

can: out of bounds in remove_rx_filter function

NVD Source

Risk Analysis

An out-of-bounds memory access vulnerability exists in the Zephyr project's remove_rx_filter function. With a CVSS score of 9.8, this flaw poses a severe risk to system integrity and availability.

No public exploit is known, and it is not in the KEV catalog. The vulnerability is remotely exploitable.

Recommended Action

Update to the latest version of the Zephyr project to ensure the out-of-bounds access is properly handled.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-5779 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.