Due to an issue with incorrect sudo permissions, Zimbra Collaboration Suite (ZCS) suffers from a local privilege escalation issue in versions 9.0.0 and prior, where the 'zimbra' user can effectively coerce postfix into running arbitrary commands as 'root'
Published Oct 17, 2022
7.8
HIGHCVSS 3.1
EPSS 0.72%
Description
Due to an issue with incorrect sudo permissions, Zimbra Collaboration Suite (ZCS) suffers from a local privilege escalation issue in versions 9.0.0 and prior, where the 'zimbra' user can effectively coerce postfix into running arbitrary commands as 'root'.
Affected products
-
- Version 9.0.0StatusaffectedConstraints<=9.0.0
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Synacor | Zimbra Collaboration Suite (ZCS) | n/a |
|
- ≤ 9.0.0
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed May 13, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 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 3, 2026 | 0.72% (0.00722) | 52.35th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.69% (0.00695) | 47.96th | v5 (v2026.06.15) |
| Nov 18, 2025 | 1.98% (0.01975) | 82.10th | v4 (v2025.03.14) |
| Oct 21, 2025 | 3.29% (0.03294) | 86.65th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.22% (0.02220) | 83.33th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.17% (0.00171) | 55.44th | v3 (v2023.03.01) |
| Jul 22, 2023 | 0.17% (0.00171) | 53.35th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00062) | 24.69th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.74% (0.01742) | 76.20th | v2 (v2022.01.01) |
| Oct 22, 2022 | 1.74% (0.01742) | 75.51th | v2 (v2022.01.01) |
| Oct 21, 2022 | 1.73% (0.01732) | 75.49th | v2 (v2022.01.01) |
| Oct 20, 2022 | 5.15% (0.05151) | 89.30th | v2 (v2022.01.01) |
| Oct 18, 2022 | 0.89% (0.00885) | 26.63th | v2 (v2022.01.01) |
References (3)
- http://packetstormsecurity.com/files/169430/Zimbra-Privilege-Escalation.html ExploitThird Party AdvisoryVDB Entry
- https://github.com/rapid7/metasploit-framework/pull/17141 ExploitIssue TrackingPatchThird Party Advisory
- https://twitter.com/ldsopreload/status/1580539318879547392 Third Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/169430/Zimbra-Privilege-Escalation.html | ExploitThird Party AdvisoryVDB Entry | |
| https://github.com/rapid7/metasploit-framework/pull/17141 | ExploitIssue TrackingPatchThird Party Advisory | |
| https://twitter.com/ldsopreload/status/1580539318879547392 | Third Party Advisory |
Change history (0)
No recorded changes yet.