How severe is CVE-2025-54603?

CVE-2025-54603 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.

Is CVE-2025-54603 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-54603?

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

Does CVE-2025-54603 have an EU (EUVD) identifier?

Yes. CVE-2025-54603 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34434.

When was CVE-2025-54603 published?

CVE-2025-54603 was published on 2025-10-14 and last updated on 2026-06-17.

CVE-2025-54603

CVE-2025-54603 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. 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: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-34434
Weakness: CWE-284
Published: 2025-10-14
Last modified: 2026-06-17

Description

An incorrect OIDC authentication flow in Claroty Secure Access 3.3.0 through 4.0.2 can result in unauthorized user creation or impersonation of existing OIDC users.

Frequently asked questions

What is CVE-2025-54603?: An incorrect OIDC authentication flow in Claroty Secure Access 3.3.0 through 4.0.2 can result in unauthorized user creation or impersonation of existing OIDC users.
How severe is CVE-2025-54603?: CVE-2025-54603 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.
Is CVE-2025-54603 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-54603?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-54603 have an EU (EUVD) identifier?: Yes. CVE-2025-54603 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34434.
When was CVE-2025-54603 published?: CVE-2025-54603 was published on 2025-10-14 and last updated on 2026-06-17.

References

Other CWE-284 (Improper Access Control) vulnerabilities

CVE-2026-50746 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi…
CVE-2026-46978 — Critical (CVSS 10.0): Vulnerability in the Oracle Solaris product of Oracle Systems (component: Remote Administration Daemon). The…
CVE-2026-35308 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars).…
CVE-2026-35307 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that…
CVE-2026-46695 — Critical (CVSS 10.0): Boxlite is a sandbox service that allows users to create lightweight virtual machines (Boxes) and launch OCI containers…
CVE-2026-46840 — Critical (CVSS 10.0): Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are…

Browse all CWE-284 (Improper Access Control) vulnerabilities →