How severe is CVE-2023-32993?

CVE-2023-32993 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-32993 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-32993?

CVE-2023-32993 affects Jenkins Saml Single Sign On. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-32993?

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

When was CVE-2023-32993 published?

CVE-2023-32993 was published on 2023-05-16 and last updated on 2026-06-17.

CVE-2023-32993

CVE-2023-32993 is a medium-severity vulnerability in Jenkins Saml Single Sign On with a CVSS 3.x base score of 4.8. 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-345.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-345
Affected product: Jenkins Saml Single Sign On
Published: 2023-05-16
Last modified: 2026-06-17

Description

Jenkins SAML Single Sign On(SSO) Plugin 2.0.2 and earlier does not perform hostname validation when connecting to miniOrange or the configured IdP to retrieve SAML metadata, which could be abused using a man-in-the-middle attack to intercept these connections.

Frequently asked questions

What is CVE-2023-32993?: Jenkins SAML Single Sign On(SSO) Plugin 2.0.2 and earlier does not perform hostname validation when connecting to miniOrange or the configured IdP to retrieve SAML metadata, which could be abused using a man-in-the-middle attack to intercept these connections.
How severe is CVE-2023-32993?: CVE-2023-32993 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-32993 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-32993?: CVE-2023-32993 affects Jenkins Saml Single Sign On. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-32993?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-32993 published?: CVE-2023-32993 was published on 2023-05-16 and last updated on 2026-06-17.

References

https://www.jenkins.io/security/advisory/2023-05-16/#SECURITY-3001%20(1)

Affected products (1)

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

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