How severe is CVE-2024-23898?

CVE-2024-23898 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-23898 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 67% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-23898?

CVE-2024-23898 primarily affects Jenkins. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-23898?

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.

Does CVE-2024-23898 have an EU (EUVD) identifier?

Yes. CVE-2024-23898 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0256.

When was CVE-2024-23898 published?

CVE-2024-23898 was published on 2024-01-24 and last updated on 2026-06-17.

CVE-2024-23898

CVE-2024-23898 is a high-severity vulnerability in Jenkins with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 67% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-346.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 67% (99th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-0256
Weakness: CWE-346
Affected product: Jenkins
Published: 2024-01-24
Last modified: 2026-06-17

Description

Jenkins 2.217 through 2.441 (both inclusive), LTS 2.222.1 through 2.426.2 (both inclusive) does not perform origin validation of requests made through the CLI WebSocket endpoint, resulting in a cross-site WebSocket hijacking (CSWSH) vulnerability, allowing attackers to execute CLI commands on the Jenkins controller.

Frequently asked questions

What is CVE-2024-23898?: Jenkins 2.217 through 2.441 (both inclusive), LTS 2.222.1 through 2.426.2 (both inclusive) does not perform origin validation of requests made through the CLI WebSocket endpoint, resulting in a cross-site WebSocket hijacking (CSWSH) vulnerability, allowing attackers to execute CLI commands on the Jenkins controller.
How severe is CVE-2024-23898?: CVE-2024-23898 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-23898 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 67% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-23898?: CVE-2024-23898 primarily affects Jenkins. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-23898?: 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.
Does CVE-2024-23898 have an EU (EUVD) identifier?: Yes. CVE-2024-23898 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0256.
When was CVE-2024-23898 published?: CVE-2024-23898 was published on 2024-01-24 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*

More vulnerabilities in Jenkins

CVE-2024-23897 — Critical (CVSS 9.8): Jenkins 2.441 and earlier, LTS 2.426.2 and earlier does not disable a feature of its CLI command parser that replaces…
CVE-2021-21696 — Critical (CVSS 9.8): Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not limit agent read/write access to the libs/ directory inside…
CVE-2021-21694 — Critical (CVSS 9.8): FilePath#toURI, FilePath#hasSymlink, FilePath#absolutize, FilePath#isDescendant, and FilePath#get*DiskSpace do not…
CVE-2021-21693 — Critical (CVSS 9.8): When creating temporary files, agent-to-controller access to create those files is only checked after they've been…
CVE-2021-21692 — Critical (CVSS 9.8): FilePath#renameTo and FilePath#moveAllChildrenTo in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier only check…
CVE-2021-21691 — Critical (CVSS 9.8): Creating symbolic links is possible without the 'symlink' agent-to-controller access control permission in Jenkins…

All CVEs affecting Jenkins →

Other CWE-346 vulnerabilities

CVE-2026-42901 — Critical (CVSS 10.0): Origin validation error in Microsoft Entra ID allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-16375 — Critical (CVSS 9.8): Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 153, Firefox ESR…
CVE-2026-16358 — Critical (CVSS 9.8): Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR…
CVE-2026-16349 — Critical (CVSS 9.8): Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR…
CVE-2023-49899 — Critical (CVSS 9.8): An unauthenticated remote attacker can execute any command on the affected device due to not correctly verifying the…
CVE-2026-6508 — Critical (CVSS 9.8): Origin Validation Error vulnerability in TUBITAK BILGEM Software Technologies Research Institute Liderahenk allows…

Browse all CWE-346 vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

46.99.188.194 (ipv4-addr)