How severe is CVE-2025-24387?

CVE-2025-24387 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-24387 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-24387?

CVE-2025-24387 affects Otrs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-24387?

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

Does CVE-2025-24387 have an EU (EUVD) identifier?

Yes. CVE-2025-24387 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7643.

When was CVE-2025-24387 published?

CVE-2025-24387 was published on 2025-03-10 and last updated on 2026-06-17.

CVE-2025-24387

CVE-2025-24387 is a medium-severity vulnerability in Otrs 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-7643
Weakness: CWE-352
Affected product: Otrs
Published: 2025-03-10
Last modified: 2026-06-17

Description

A vulnerability in OTRS Application Server allows session hijacking due to missing attributes for sensitive cookie settings in HTTPS sessions. A request to an OTRS endpoint from a possible malicious web site, would send the authentication cookie, performing an unwanted read operation. This issue affects: * OTRS 7.0.X * OTRS 8.0.X * OTRS 2023.X * OTRS 2024.X * OTRS 2025.x

Frequently asked questions

What is CVE-2025-24387?: A vulnerability in OTRS Application Server allows session hijacking due to missing attributes for sensitive cookie settings in HTTPS sessions. A request to an OTRS endpoint from a possible malicious web site, would send the authentication cookie, performing an unwanted read operation. This issue affects: * OTRS 7.0.X * OTRS 8.0.X * OTRS 2023.X * OTRS 2024.X * OTRS 2025.x
How severe is CVE-2025-24387?: CVE-2025-24387 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-24387 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-24387?: CVE-2025-24387 affects Otrs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-24387?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-24387 have an EU (EUVD) identifier?: Yes. CVE-2025-24387 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7643.
When was CVE-2025-24387 published?: CVE-2025-24387 was published on 2025-03-10 and last updated on 2026-06-17.

References

https://otrs.com/release-notes/otrs-security-advisory-2025-05/

Affected products (1)

cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*

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