How severe is CVE-2025-23389?

CVE-2025-23389 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2025-23389 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-23389?

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-2025-23389 have an EU (EUVD) identifier?

Yes. CVE-2025-23389 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6275.

When was CVE-2025-23389 published?

CVE-2025-23389 was published on 2025-04-11 and last updated on 2026-06-17.

CVE-2025-23389

CVE-2025-23389 is a high-severity vulnerability with a CVSS 3.x base score of 8.4. 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-284.

Key facts

Severity: High (CVSS 3.x base score 8.4)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-6275
Weakness: CWE-284
Published: 2025-04-11
Last modified: 2026-06-17

Description

A Improper Access Control vulnerability in SUSE rancher allows a local user to impersonate other identities through SAML Authentication on first login. This issue affects rancher: from 2.8.0 before 2.8.13, from 2.9.0 before 2.9.7, from 2.10.0 before 2.10.3.

Frequently asked questions

What is CVE-2025-23389?: A Improper Access Control vulnerability in SUSE rancher allows a local user to impersonate other identities through SAML Authentication on first login. This issue affects rancher: from 2.8.0 before 2.8.13, from 2.9.0 before 2.9.7, from 2.10.0 before 2.10.3.
How severe is CVE-2025-23389?: CVE-2025-23389 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2025-23389 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-23389?: 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-2025-23389 have an EU (EUVD) identifier?: Yes. CVE-2025-23389 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6275.
When was CVE-2025-23389 published?: CVE-2025-23389 was published on 2025-04-11 and last updated on 2026-06-17.

References

Other CWE-284 (Improper Access Control) vulnerabilities

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