Is CVE-2023-5055 actively exploited?

No active exploitation of CVE-2023-5055 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-5055 be exploited remotely?

Yes. CVE-2023-5055 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-5055?

CVE-2023-5055 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-5055

CRITICAL

CVE-2023-5055

CWE-121Published: November 21, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Possible variant of CVE-2021-3434 in function le_ecred_reconf_req.

NVD Source

Risk Analysis

A critical vulnerability exists in the Zephyr project's le_ecred_reconf_req function, representing a potential security risk to the operating system. The flaw is identified as a variant of a previous security issue.

No public exploit is known, and it is not in CISA KEV. The vulnerability is remotely exploitable with low attack complexity.

Recommended Action

Apply the latest security updates provided by the Zephyr project.

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-2023-5055 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.