CRITICAL
Synacor Zimbra Collaboration Suite 8.7.x through 8.8.11 allows insecure object deserialization in the IMAP component
Published May 29, 2019
9.8
CRITICALCVSS 3.0
EPSS 3.84%
Description
Synacor Zimbra Collaboration Suite 8.7.x through 8.8.11 allows insecure object deserialization in the IMAP component.
Affected products
No data.
OR
- ≥ 8.7.0 · < 8.7.11
- ≥ 8.8.0 · < 8.8.9
- 8.7.11
- 8.7.11
- 8.7.11
- 8.7.11
- 8.7.11
- 8.7.11
- 8.7.11
- 8.7.11
- 8.7.11
- 8.8.9
- 8.8.9
- 8.8.9
- 8.8.9
- 8.8.9
- 8.8.9
- 8.8.9
- 8.8.9
- 8.8.10
- 8.8.10
- 8.8.10
- 8.8.10
- 8.8.10
- 8.8.11
- 8.8.11
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.84% 0.03838
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.03838
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.84% (0.03838) | 89.79th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.91% (0.03912) | 88.91th | v5 (v2026.06.15) |
| Dec 4, 2025 | 40.85% (0.40854) | 97.21th | v4 (v2025.03.14) |
| Nov 21, 2025 | 35.24% (0.35236) | 96.86th | v4 (v2025.03.14) |
| Nov 18, 2025 | 23.36% (0.23359) | 95.59th | v4 (v2025.03.14) |
| Oct 13, 2025 | 35.24% (0.35236) | 96.83th | v4 (v2025.03.14) |
| Mar 17, 2025 | 44.43% (0.44432) | 97.26th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.41% (0.00415) | 74.30th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.41% (0.00415) | 73.38th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.41% (0.00415) | 70.03th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 9.03% (0.09029) | 86.86th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.74% (0.02742) | 63.06th | v1 |
| Jan 6, 2022 | 2.74% (0.02742) | 62.72th | v1 |
| Sep 1, 2021 | 0.62% (0.00624) | 45.04th | v1 |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
Weaknesses (1)
References (2)
- https://bugzilla.zimbra.com/show_bug.cgi?id=109097 x_refsource_MISCIssue TrackingThird Party Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://bugzilla.zimbra.com/show_bug.cgi?id=109097 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published May 29, 2019
Updated Aug 4, 2024
Reserved Jan 28, 2019
Link CVE-2019-6980
CISA Vulnrichment
Updated n/a