CVE-2019-6980: Synacor Zimbra Collaboration Suite 8.7.x through 8.8.11 allows insecure object deserialization in the IMAP component

Critical severity · published May 29, 2019

CVE-2019-6980

Synacor Zimbra Collaboration Suite 8.7.x through 8.8.11 allows insecure object deserialization in the IMAP component

9.8

CVSS

3.8%

EPSS

On KEV

Description

Synacor Zimbra Collaboration Suite 8.7.x through 8.8.11 allows insecure object deserialization in the IMAP component.

CVSS vector

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

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)3.8% · higher than 90% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Zimbra Collaboration Suite · Synacor

8.7.0 before 8.7.11; 8.8.0 before 8.8.9; 8.7.11; 8.7.11; 8.7.11; 8.7.11; +20 more · source: NVD

Affected product

Zimbra Collaboration Suite

Synacor

All Zimbra Collaboration Suite CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2019-6980

CVE.org

https://www.cve.org/CVERecord?id=CVE-2019-6980

Issue Tracking

https://bugzilla.zimbra.com/show_bug.cgi?id=109097

Vendor Advisory

https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories