How severe is CVE-2023-32991?

CVE-2023-32991 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-2023-32991 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-32991?

CVE-2023-32991 affects Jenkins Saml Single Sign On. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-32991?

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-2023-32991 published?

CVE-2023-32991 was published on 2023-05-16 and last updated on 2026-06-17.

CVE-2023-32991

CVE-2023-32991 is a high-severity vulnerability in Jenkins Saml Single Sign On 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Jenkins Saml Single Sign On
Published: 2023-05-16
Last modified: 2026-06-17

Description

A cross-site request forgery (CSRF) vulnerability in Jenkins SAML Single Sign On(SSO) Plugin 2.0.2 and earlier allows attackers to send an HTTP request to an attacker-specified URL and parse the response as XML, or parse a local file on the Jenkins controller as XML.

Frequently asked questions

What is CVE-2023-32991?: A cross-site request forgery (CSRF) vulnerability in Jenkins SAML Single Sign On(SSO) Plugin 2.0.2 and earlier allows attackers to send an HTTP request to an attacker-specified URL and parse the response as XML, or parse a local file on the Jenkins controller as XML.
How severe is CVE-2023-32991?: CVE-2023-32991 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-2023-32991 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-32991?: CVE-2023-32991 affects Jenkins Saml Single Sign On. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-32991?: 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-2023-32991 published?: CVE-2023-32991 was published on 2023-05-16 and last updated on 2026-06-17.

References

https://www.jenkins.io/security/advisory/2023-05-16/#SECURITY-2993

Affected products (1)

cpe:2.3:a:jenkins:saml_single_sign_on:*:*:*:*:*:jenkins:*:*

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