How severe is CVE-2025-24390?

CVE-2025-24390 has a CVSS 3.x base score of 6.8, rated medium 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 none.

Is CVE-2025-24390 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-24390?

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

Does CVE-2025-24390 have an EU (EUVD) identifier?

Yes. CVE-2025-24390 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-3686.

When was CVE-2025-24390 published?

CVE-2025-24390 was published on 2025-01-27 and last updated on 2026-06-17.

CVE-2025-24390

CVE-2025-24390 is a medium-severity vulnerability with a CVSS 3.x base score of 6.8. 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-614.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-3686
Weakness: CWE-614
Published: 2025-01-27
Last modified: 2026-06-17

Description

A vulnerability in OTRS Application Server and reverse proxy settings allows session hijacking due to missing attributes for sensitive cookie settings in HTTPS sessions. This issue affects: * OTRS 7.0.X * OTRS 8.0.X * OTRS 2023.X * OTRS 2024.X

Frequently asked questions

What is CVE-2025-24390?: A vulnerability in OTRS Application Server and reverse proxy settings allows session hijacking due to missing attributes for sensitive cookie settings in HTTPS sessions. This issue affects: * OTRS 7.0.X * OTRS 8.0.X * OTRS 2023.X * OTRS 2024.X
How severe is CVE-2025-24390?: CVE-2025-24390 has a CVSS 3.x base score of 6.8, rated medium 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 none.
Is CVE-2025-24390 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-24390?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-24390 have an EU (EUVD) identifier?: Yes. CVE-2025-24390 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-3686.
When was CVE-2025-24390 published?: CVE-2025-24390 was published on 2025-01-27 and last updated on 2026-06-17.

References

https://otrs.com/release-notes/otrs-security-advisory-2025-04/

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