What is CVE-2018-10949?

CVE-2018-10949 is a medium-severity vulnerability in Synacor Zimbra Collaboration Suite, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2018-05-10.

How severe is CVE-2018-10949?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2018-10949 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Synacor Zimbra Collaboration Suite

CVE-2018-10949

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.

EPSS: 0.024 (82.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Synacor Zimbra_collaboration_suite — versions 8.6.0
N/a — versions n/a

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

Public proof-of-concept exploits

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2018-10949?: CVE-2018-10949 is a medium-severity vulnerability in Synacor Zimbra Collaboration Suite, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2018-05-10.
How severe is CVE-2018-10949?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2018-10949 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.