How severe is CVE-2023-49654?

CVE-2023-49654 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-49654 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-49654?

CVE-2023-49654 affects Jenkins Matlab. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-49654?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-49654 published?

CVE-2023-49654 was published on 2023-11-29 and last updated on 2026-06-17.

CVE-2023-49654

CVE-2023-49654 is a critical-severity vulnerability in Jenkins Matlab with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Jenkins Matlab
Published: 2023-11-29
Last modified: 2026-06-17

Description

Missing permission checks in Jenkins MATLAB Plugin 2.11.0 and earlier allow attackers to have Jenkins parse an XML file from the Jenkins controller file system.

Frequently asked questions

What is CVE-2023-49654?: Missing permission checks in Jenkins MATLAB Plugin 2.11.0 and earlier allow attackers to have Jenkins parse an XML file from the Jenkins controller file system.
How severe is CVE-2023-49654?: CVE-2023-49654 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-49654 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-49654?: CVE-2023-49654 affects Jenkins Matlab. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-49654?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-49654 published?: CVE-2023-49654 was published on 2023-11-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:matlab:*:*:*:*:*:jenkins:*:*

More vulnerabilities in Jenkins Matlab

CVE-2023-49656 — Critical (CVSS 9.8): Jenkins MATLAB Plugin 2.11.0 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
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