Is CVE-2023-6749 actively exploited?

No active exploitation of CVE-2023-6749 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-6749 be exploited remotely?

Yes. CVE-2023-6749 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-6749?

CVE-2023-6749 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-6749

CWE-121Published: February 18, 2024· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Unchecked length coming from user input in settings shell

NVD Source

Risk Analysis

The Zephyr project settings shell fails to validate the length of user-provided input. This critical flaw is rated 9.8 and could allow an attacker to trigger memory corruption.

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

Recommended Action

Update the Zephyr project to a patched version that implements proper input length validation.

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-2023-6749 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.