CVE-2018-10949

5.3 mediumEPSS 2.4%

mailboxd in Zimbra Collaboration Suite 8.8 before 8.8.8; 8.7 before 8.7.11.Patch3; and 8.6 allows Account Enumeration by leveraging a Discrepancy between the "HTTP 404 - account is not active" and "HTTP 401 - must authenticate" errors.

Severity

CVSS 3.0

5.3 medium

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS: 2.4% chance of exploitation in the next 30 days; higher than 83% of CVEs (scores of 2026-10-31)
CWE: CWE-203
Published: 2018-05-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

synacor:zimbra_collaboration_suite

References

https://bugzilla.zimbra.com/show_bug.cgi?id=108962
https://bugzilla.zimbra.com/show_bug.cgi?id=108962

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