CRITICAL
Zimbra Collaboration Suite (ZCS) before 8.7.4 allows remote attackers to conduct XML External Entity (XXE) attacks
Published Mar 29, 2017
9.8
CRITICALCVSS 3.0
EPSS 2.85%
Description
Zimbra Collaboration Suite (ZCS) before 8.7.4 allows remote attackers to conduct XML External Entity (XXE) attacks.
Affected products
No data.
- ≤ 8.7.3
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.
2.85% 0.02850
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02850
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 | 2.85% (0.02850) | 86.22th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.83% (0.02826) | 84.71th | v5 (v2026.06.15) |
| Oct 12, 2025 | 0.50% (0.00501) | 65.00th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.73% (0.01733) | 80.78th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.86% (0.02856) | 77.06th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.73% (0.01733) | 81.22th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.44% (0.00441) | 75.70th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.44% (0.00441) | 74.12th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.44% (0.00441) | 70.86th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
Weaknesses (1)
References (2)
- http://www.securityfocus.com/bid/97121 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://wiki.zimbra.com/wiki/Security_Center x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/97121 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://wiki.zimbra.com/wiki/Security_Center | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 29, 2017
Updated Aug 6, 2024
Reserved Dec 11, 2016
Link CVE-2016-9924
CISA Vulnrichment
Updated n/a