How severe is CVE-2023-24435?

CVE-2023-24435 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-24435 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-24435?

CVE-2023-24435 affects Jenkins Github Pull Request Builder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-24435?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-24435 published?

CVE-2023-24435 was published on 2023-01-26 and last updated on 2026-06-17.

CVE-2023-24435

CVE-2023-24435 is a medium-severity vulnerability in Jenkins Github Pull Request Builder with a CVSS 3.x base score of 6.5. 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: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Jenkins Github Pull Request Builder
Published: 2023-01-26
Last modified: 2026-06-17

Description

A missing permission check in Jenkins GitHub Pull Request Builder Plugin 1.42.2 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.

Frequently asked questions

What is CVE-2023-24435?: A missing permission check in Jenkins GitHub Pull Request Builder Plugin 1.42.2 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.
How severe is CVE-2023-24435?: CVE-2023-24435 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-24435 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-24435?: CVE-2023-24435 affects Jenkins Github Pull Request Builder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-24435?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-24435 published?: CVE-2023-24435 was published on 2023-01-26 and last updated on 2026-06-17.

References

https://www.jenkins.io/security/advisory/2023-01-24/#SECURITY-2789%20%282%29

Affected products (1)

cpe:2.3:a:jenkins:github_pull_request_builder:*:*:*:*:*:jenkins:*:*

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