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CVE-2025-53603

HIGHCVSS 7.5/10EPSS 0.59%

Last modified

CVE-2025-53603 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In Alinto SOPE SOGo 2.0.2 through 5.12.2, sope-core/NGExtensions/NGHashMap.m allows a NULL pointer dereference and SOGo crash via a request in which a parameter in the query string is a duplicate of a parameter in the POST body.. EPSS estimates a 0.59% chance of exploitation in the next 30 days.

Description

In Alinto SOPE SOGo 2.0.2 through 5.12.2, sope-core/NGExtensions/NGHashMap.m allows a NULL pointer dereference and SOGo crash via a request in which a parameter in the query string is a duplicate of a parameter in the POST body.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
0.59%

43.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2025-53603?
In Alinto SOPE SOGo 2.0.2 through 5.12.2, sope-core/NGExtensions/NGHashMap.m allows a NULL pointer dereference and SOGo crash via a request in which a parameter in the query string is a duplicate of a parameter in the POST body.
How severe is CVE-2025-53603?
CVE-2025-53603 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.
How do I fix CVE-2025-53603?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-53603?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST