How severe is CVE-2023-41939?

CVE-2023-41939 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-41939 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-41939?

CVE-2023-41939 affects Jenkins Ssh2 Easy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-41939?

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

When was CVE-2023-41939 published?

CVE-2023-41939 was published on 2023-09-06 and last updated on 2026-06-17.

CVE-2023-41939

CVE-2023-41939 is a high-severity vulnerability in Jenkins Ssh2 Easy with a CVSS 3.x base score of 8.8. 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-281.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-281
Affected product: Jenkins Ssh2 Easy
Published: 2023-09-06
Last modified: 2026-06-17

Description

Jenkins SSH2 Easy Plugin 1.4 and earlier does not verify that permissions configured to be granted are enabled, potentially allowing users formerly granted (typically optional permissions, like Overall/Manage) to access functionality they're no longer entitled to.

Frequently asked questions

What is CVE-2023-41939?: Jenkins SSH2 Easy Plugin 1.4 and earlier does not verify that permissions configured to be granted are enabled, potentially allowing users formerly granted (typically optional permissions, like Overall/Manage) to access functionality they're no longer entitled to.
How severe is CVE-2023-41939?: CVE-2023-41939 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-41939 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-41939?: CVE-2023-41939 affects Jenkins Ssh2 Easy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-41939?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-41939 published?: CVE-2023-41939 was published on 2023-09-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:ssh2_easy:*:*:*:*:*:jenkins:*:*

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