Is CVE-2023-49656 actively exploited?

No active exploitation of CVE-2023-49656 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-49656 be exploited remotely?

Yes. CVE-2023-49656 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-49656?

CVE-2023-49656 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-49656

CWE-611Published: November 29, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Jenkins MATLAB Plugin 2.11.0 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

NVD Source

Risk Analysis

This vulnerability in the Jenkins MATLAB Plugin allows for XML external entity (XXE) attacks. Given the critical CVSS score of 9.8, it poses a severe risk of data disclosure or system compromise. It is remotely exploitable without authentication.

There is no known public exploit for this vulnerability, and it is not currently listed in CISA's KEV catalog.

Recommended Action

Users should update the Jenkins MATLAB Plugin to a version beyond 2.11.0 to resolve the insecure XML parser configuration.

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-2023-49656 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.