CVE-2019-6980
Synacor Zimbra Collaboration Suite 8.7.x through 8.8.11 allows insecure object deserialization in...
Synacor Zimbra Collaboration Suite 8.7.x through 8.8.11 allows insecure object deserialization in the IMAP component.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Synacor Zimbra Collaboration Suite 8.7.x through 8.8.11 allows insecure object deserialization in the IMAP component.
- Record
CVE-2019-6980- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-502
- Updated
- 2026-11-02
CVE List No score
Synacor Zimbra Collaboration Suite 8.7.x through 8.8.11 allows insecure object deserialization in the IMAP component.
- Record
CVE-2019-6980- Updated
- 2026-11-02
EUVDEUVD-2019-16532 No score
Synacor Zimbra Collaboration Suite 8.7.x through 8.8.11 allows insecure object deserialization in the IMAP component.
- Record
EUVD-2019-16532- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r63j-4gxh-8m32
Synacor Zimbra Collaboration Suite 8.7.x through 8.8.11 allows insecure object deserialization in...
Synacor Zimbra Collaboration Suite 8.7.x through 8.8.11 allows insecure object deserialization in the IMAP component.
- Record
GHSA-r63j-4gxh-8m32- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
OSV
Synacor Zimbra Collaboration Suite 8.7.x through 8.8.11 allows insecure object deserialization in the IMAP component.
- Record
CVE-2019-6980- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-6980 is a critical vulnerability (CVSS 9.8) in Synacor Zimbra Collaboration Suite, published May 29, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.84%, the 90th percentile. No source names a fixed version.