Zimbra Collaboration fixes a high-severity vulnerability

Do you think this report is well-written? *

Yes

Do you use this technology? *

Yes

Was this report useful to you?

Yes

We would be happy if you would describe:

The security services provided by CESNET are designed to provide significant support in ensuring the cybersecurity of connected organizations. Although we strive to provide quality and reliable services, it is not possible to guarantee absolute coverage of all security vulnerabilities. Our services should be seen as a complement to an organization's own security management, not as a replacement. The client bears ultimate responsibility for securing their environment.

This report was translated by AI; nobody has reviewed the translation yet. Original language: Czech.

[TLP:CLEAR] Zimbra Collaboration fixes a high-severity vulnerability

Zimbra Collaboration fixes a high-severity vulnerability with version 10.1.4 [1][2].

Zimbra Collaboration - CSRF (CVE-2025-32354)

CVSS 8.8 (High)

An unauthenticated remote attacker can, due to the lack of a CSRF token check on the GraphQL endpoint /service/extension/graphql, carry out a CSRF attack by means of social engineering and perform unauthorized GraphQL operations such as modifying contacts, changing account settings or accessing sensitive user data [2].

The vulnerability is present in product:

*:Zimbra Collaboration;>=9.0,<10.1.4;

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

More information:

CVE-2025-32354 at cve.org, NVD
CWE-352: Cross-Site Request Forgery (CSRF) at cwe.mitre.org

The vulnerability was publicly disclosed 29. 5. 2025.

Links

By CESNET, z.s.p.o. Michaela Ručková on 2. 5. 2025.

Report feedback

[TLP:CLEAR] Zimbra Collaboration fixes a high-severity vulnerability

Zimbra Collaboration - CSRF (CVE-2025-32354)

CVSS 8.8 (High)

Links