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
Published May 30, 2019
5.3
MEDIUMCVSS 3.0
EPSS 1.88%
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.
Affected products
No data.
- ≥ 8.7.0 · < 8.7.11
- ≥ 8.8.0 · < 8.8.8
- 8.6.0
- 8.6.0
- 8.6.0
- 8.6.0
- 8.6.0
- 8.6.0
- 8.6.0
- 8.6.0
- 8.6.0
- 8.6.0
- 8.7.11
- 8.7.11
- 8.7.11
- 8.7.11
- 8.7.11
- 8.7.11
- 8.8.8
- 8.8.8
- 8.8.8
- 8.8.8
- 8.8.8
- 8.8.8
- 8.8.8
- 8.8.8
- 8.8.9
- 8.8.9
- 8.8.9
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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.88% (0.01878) | 78.71th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.86% (0.01862) | 76.44th | v5 (v2026.06.15) |
| Nov 21, 2025 | 2.61% (0.02609) | 85.14th | v4 (v2025.03.14) |
| Nov 18, 2025 | 0.54% (0.00537) | 64.94th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.07% (0.02066) | 82.33th | v4 (v2025.03.14) |
| Mar 29, 2025 | 27.43% (0.27425) | 94.27th | v4 (v2025.03.14) |
| Mar 28, 2025 | 2.07% (0.02066) | 82.34th | v4 (v2025.03.14) |
| Mar 27, 2025 | 27.43% (0.27425) | 95.71th | v4 (v2025.03.14) |
| Mar 20, 2025 | 20.66% (0.20664) | 95.14th | v4 (v2025.03.14) |
| Mar 19, 2025 | 27.43% (0.27425) | 95.80th | v4 (v2025.03.14) |
| Mar 17, 2025 | 17.16% (0.17165) | 94.51th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.13% (0.00131) | 49.62th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.13% (0.00131) | 48.21th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00131) | 46.19th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.50% (0.04499) | 88.81th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.50% (0.04499) | 74.08th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.84% (0.01840) | 47.83th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.84% (0.01840) | 0.00th | v1 |
References (2)
- https://bugzilla.zimbra.com/show_bug.cgi?id=109012 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories Vendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://bugzilla.zimbra.com/show_bug.cgi?id=109012 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories | Vendor Advisory |
Change history (0)
No recorded changes yet.