How severe is CVE-2025-24503?

CVE-2025-24503 has a CVSS 4.0 base score of 9.3, rated critical severity.

Is CVE-2025-24503 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-24503?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-24503 have an EU (EUVD) identifier?

Yes. CVE-2025-24503 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-3737.

When was CVE-2025-24503 published?

CVE-2025-24503 was published on 2025-01-30 and last updated on 2026-06-17.

CVE-2025-24503

CVE-2025-24503 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.3. 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: Critical (CVSS 4.0 base score 9.3)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-3737
Weakness: CWE-384
Published: 2025-01-30
Last modified: 2026-06-17

Description

A malicious actor can fix the session of a PAM user by tricking the user to click on a specially crafted link to the PAM server.

Frequently asked questions

What is CVE-2025-24503?: A malicious actor can fix the session of a PAM user by tricking the user to click on a specially crafted link to the PAM server.
How severe is CVE-2025-24503?: CVE-2025-24503 has a CVSS 4.0 base score of 9.3, rated critical severity.
Is CVE-2025-24503 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-24503?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-24503 have an EU (EUVD) identifier?: Yes. CVE-2025-24503 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-3737.
When was CVE-2025-24503 published?: CVE-2025-24503 was published on 2025-01-30 and last updated on 2026-06-17.

References

https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25362

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