Multiple cross-site request forgery (CSRF) vulnerabilities in the Admin Console in Zimbra Collaboration before 8.6.0 Patch 8 allow remote attackers to hijack the authentication of administrators for requests that (1) add, (2) modify, or (3) remove accounts by leveraging failure to use of a CSRF token and perform referer header checks, aka bugs 100885 and 100899
Published May 17, 2017
8.8
HIGHCVSS 3.0
EPSS 1.37%
Description
Multiple cross-site request forgery (CSRF) vulnerabilities in the Admin Console in Zimbra Collaboration before 8.6.0 Patch 8 allow remote attackers to hijack the authentication of administrators for requests that (1) add, (2) modify, or (3) remove accounts by leveraging failure to use of a CSRF token and perform referer header checks, aka bugs 100885 and 100899.
Affected products
No data.
- ≤ 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:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:P/I:P/A:P
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 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.37% (0.01372) | 70.95th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.36% (0.01361) | 68.03th | v5 (v2026.06.15) |
| Oct 12, 2025 | 0.33% (0.00332) | 55.47th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.64% (0.02642) | 84.72th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.46% (0.00461) | 76.19th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.51% (0.00510) | 75.90th | v3 (v2023.03.01) |
| Aug 21, 2023 | 0.51% (0.00510) | 73.58th | v3 (v2023.03.01) |
| Mar 27, 2023 | 1.44% (0.01444) | 84.58th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.24% (0.01244) | 83.35th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
References (8)
- http://seclists.org/fulldisclosure/2017/Jan/30 mailing-listx_refsource_FULLDISCExploitThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/95383 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://bugzilla.zimbra.com/show_bug.cgi?id=100885 x_refsource_CONFIRMIssue Tracking
- https://bugzilla.zimbra.com/show_bug.cgi?id=100899 x_refsource_CONFIRMIssue Tracking
- https://sysdream.com/news/lab/2017-01-12-cve-2016-3403-multiple-csrf-in-zimbra-administration-interface/ x_refsource_MISCExploitThird Party Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Releases/8.6_Patch_8 x_refsource_CONFIRMPatchRelease Notes
- https://wiki.zimbra.com/wiki/Zimbra_Releases/8.7.0 x_refsource_CONFIRMRelease Notes
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://seclists.org/fulldisclosure/2017/Jan/30 | mailing-listx_refsource_FULLDISCExploitThird Party AdvisoryVDB Entry | |
| http://www.securityfocus.com/bid/95383 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://bugzilla.zimbra.com/show_bug.cgi?id=100885 | x_refsource_CONFIRMIssue Tracking | |
| https://bugzilla.zimbra.com/show_bug.cgi?id=100899 | x_refsource_CONFIRMIssue Tracking | |
| https://sysdream.com/news/lab/2017-01-12-cve-2016-3403-multiple-csrf-in-zimbra-administration-interface/ | x_refsource_MISCExploitThird Party Advisory | |
| https://wiki.zimbra.com/wiki/Zimbra_Releases/8.6_Patch_8 | x_refsource_CONFIRMPatchRelease Notes | |
| https://wiki.zimbra.com/wiki/Zimbra_Releases/8.7.0 | x_refsource_CONFIRMRelease Notes | |
| https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.