Information exposure through externally-generated error message in Zimbra Collaboration - #VU118171
Published: November 6, 2025
Vulnerability identifier: #VU118171
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-211
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Synacor Inc.
Affected software:
Zimbra Collaboration
Zimbra Collaboration
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output in the PreAuthServlet while handling error conditions. A remote attacker can obtain sensitive information on the system.
Remediation
Install updates from vendor's website.