How severe is CVE-2023-32997?

CVE-2023-32997 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-2023-32997 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-32997?

CVE-2023-32997 affects Jenkins Cas. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-32997?

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-2023-32997 published?

CVE-2023-32997 was published on 2023-05-16 and last updated on 2026-06-17.

CVE-2023-32997

CVE-2023-32997 is a high-severity vulnerability in Jenkins Cas 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-384.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Affected product: Jenkins Cas
Published: 2023-05-16
Last modified: 2026-06-17

Description

Jenkins CAS Plugin 1.6.2 and earlier does not invalidate the previous session on login.

Frequently asked questions

What is CVE-2023-32997?: Jenkins CAS Plugin 1.6.2 and earlier does not invalidate the previous session on login.
How severe is CVE-2023-32997?: CVE-2023-32997 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-2023-32997 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-32997?: CVE-2023-32997 affects Jenkins Cas. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-32997?: 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-2023-32997 published?: CVE-2023-32997 was published on 2023-05-16 and last updated on 2026-06-17.

References

https://www.jenkins.io/security/advisory/2023-05-16/#SECURITY-3000

Affected products (1)

cpe:2.3:a:jenkins:cas:*:*:*:*:*:jenkins:*:*

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