MEDIUM
An issue in /domain/service/.ewell-known/caldav of Zimbra Collaboration 8.8.12 allows attackers to redirect users to any arbitrary website of their choosing
Published Dec 15, 2021
6.1
MEDIUMCVSS 3.1
EPSS 0.66%
Description
An issue in /domain/service/.ewell-known/caldav of Zimbra Collaboration 8.8.12 allows attackers to redirect users to any arbitrary website of their choosing.
Affected products
No data.
- 8.8.12
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.
6.1 MEDIUM NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Impact Low
Integrity Impact Low
Availability Impact None
No CVSS v3.0 score for this CVE.
5.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.66% 0.00655
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.00655
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.66% (0.00655) | 49.61th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.66% (0.00655) | 46.33th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.16% (0.00158) | 34.12th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.08% (0.00078) | 35.68th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.07% (0.00072) | 29.79th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00063) | 25.11th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.44% (0.00442) | 10.76th | v5 (v2026.06.15) |
| Dec 16, 2021 | 0.44% (0.00442) | 28.54th | v1 |
Weaknesses (1)
References (1)
- https://github.com/buxu/bug/issues/3 x_refsource_MISCIssue TrackingThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/buxu/bug/issues/3 | x_refsource_MISCIssue TrackingThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 15, 2021
Updated Aug 4, 2024
Reserved Aug 13, 2020
Link CVE-2020-18985
CISA Vulnrichment
Updated n/a