Medium severity · published May 30, 2019
CVE-2018-15131
An issue was discovered in Synacor Zimbra Collaboration Suite 8.6.x before 8.6.0 Patch 11, 8.7.x before 8.7.11 Patch 6, 8.8.x before 8.8.8 Patch 9, and 8.8.9 before 8.8.9 Patch 3
5.3
CVSS
1.9%
EPSS
No
On KEV
Description
An issue was discovered in Synacor Zimbra Collaboration Suite 8.6.x before 8.6.0 Patch 11, 8.7.x before 8.7.11 Patch 6, 8.8.x before 8.8.8 Patch 9, and 8.8.9 before 8.8.9 Patch 3. Account number enumeration is possible via inconsistent responses for specific types of authentication requests.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZC
Zimbra Collaboration Suite · Synacor
8.7.0 before 8.7.11; 8.8.0 before 8.8.8; 8.6.0; 8.6.0; 8.6.0; 8.6.0; +23 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-15131
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-15131
Exploit
https://bugzilla.zimbra.com/show_bug.cgi?id=109012
Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
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