mailboxd in Zimbra Collaboration Suite 8.8 before 8.8.8; 8.7 before 8.7.11.Patch3; and 8.6 allows Account Enumeration by leveraging a Discrepancy between the "HTTP 404 - account is not active" and "HTTP 401 - must authenticate" errors
Published May 10, 2018
5.3
MEDIUMCVSS 3.0
EPSS 2.43%
Description
mailboxd in Zimbra Collaboration Suite 8.8 before 8.8.8; 8.7 before 8.7.11.Patch3; and 8.6 allows Account Enumeration by leveraging a Discrepancy between the "HTTP 404 - account is not active" and "HTTP 401 - must authenticate" errors.
Affected products
No data.
- ≥ 8.7.0 · ≤ 8.7.11
- ≥ 8.8 · < 8.8.8
- 8.6.0
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 2, 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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.43% (0.02428) | 83.66th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.45% (0.02446) | 82.17th | v5 (v2026.06.15) |
| Nov 21, 2025 | 9.92% (0.09917) | 92.72th | v4 (v2025.03.14) |
| Nov 18, 2025 | 2.81% (0.02808) | 84.84th | v4 (v2025.03.14) |
| Mar 30, 2025 | 9.31% (0.09308) | 91.98th | v4 (v2025.03.14) |
| Mar 29, 2025 | 20.87% (0.20874) | 92.86th | v4 (v2025.03.14) |
| Mar 28, 2025 | 9.31% (0.09308) | 91.99th | v4 (v2025.03.14) |
| Mar 27, 2025 | 20.87% (0.20874) | 94.82th | v4 (v2025.03.14) |
| Mar 20, 2025 | 12.96% (0.12964) | 93.53th | v4 (v2025.03.14) |
| Mar 19, 2025 | 20.87% (0.20874) | 94.92th | v4 (v2025.03.14) |
| Mar 17, 2025 | 12.96% (0.12964) | 93.51th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.08% (0.00085) | 37.90th | v3 (v2023.03.01) |
| May 4, 2024 | 0.07% (0.00072) | 30.57th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.07% (0.00070) | 28.55th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.06% (0.00063) | 24.69th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00084) | 33.94th | 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 (1)
- https://bugzilla.zimbra.com/show_bug.cgi?id=108962 x_refsource_MISCIssue TrackingThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://bugzilla.zimbra.com/show_bug.cgi?id=108962 | x_refsource_MISCIssue TrackingThird Party Advisory |
Change history (0)
No recorded changes yet.