Priority CRITICAL 100KEV
The postjournal service in Zimbra Collaboration (ZCS) before 8.8.15 Patch 46, 9 before 9.0.0 Patch 41, 10 before 10.0.9, and 10.1 before 10.1.1 sometimes allows unauthenticated users to execute commands.
CVSS 3.1CRITICAL 10.0· Network · No auth · No interaction · EPSS 0.99907 · Published 2024-10-02 · No fix listed CWE-78
Priority CRITICAL 100KEV
An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.95478 · Published 2022-09-26 · No fix listed CWE-22
Priority CRITICAL 100KEV
Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.92072 · Published 2022-08-11 · No fix listed CWE-22
Priority CRITICAL 100KEV
Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 allows an unauthenticated attacker to inject arbitrary memcache commands into a targeted instance.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.93908 · Published 2022-04-20 · No fix listed CWE-74
Priority CRITICAL 100KEV
Zimbra Collaboration Suite (ZCS) before 8.8.15 Patch 7 allows SSRF when WebEx zimlet is installed and zimlet JSP is enabled.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.93592 · Published 2020-02-18 · No fix listed CWE-918
Priority CRITICAL 100KEV
mailboxd component in Synacor Zimbra Collaboration Suite 8.7.x before 8.7.11p10 has an XML External Entity injection (XXE) vulnerability, as demonstrated by Autodiscover/Autodiscover.xml.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.99986 · Published 2019-05-29 · No fix listed CWE-611
Priority CRITICAL 98KEV
A remote code execution vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.20 when the optional zimbra-snmp package is installed and SNMP notifications are enabled.
CVSS 3.1HIGH 8.9· Network · No auth · No interaction · EPSS 0.71663 · Published 2026-08-13 · Fixed in 10.1.20 CWE-78
Priority CRITICAL 98KEV
Cross Site Scripting vulnerability in Zimbra ZCS v.8.8.15 allows a remote authenticated attacker to execute arbitrary code via a crafted script to the /h/autoSaveDraft function.
CVSS 3.1CRITICAL 9.0· Network · Low privileges · User interaction · EPSS 0.77266 · Published 2023-07-06 · No fix listed CWE-79
Priority CRITICAL 97KEV
A Local File Inclusion (LFI) vulnerability exists in the Webmail Classic UI of Zimbra Collaboration (ZCS) 10.0 and 10.1 because of improper handling of user-supplied request parameters in the RestFilter servlet.
CVSS 3.1HIGH 8.8· Network · No auth · User interaction · EPSS 0.48873 · Published 2025-12-22 · No fix listed CWE-98
Priority CRITICAL 91KEV
Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it.
CVSS 3.1HIGH 7.2· Network · High privileges · No interaction · EPSS 0.98676 · Published 2022-04-20 · No fix listed CWE-22
Priority CRITICAL 90KEV
Zimbra Collaboration Suite before 8.6 patch 13, 8.7.x before 8.7.11 patch 10, and 8.8.x before 8.8.10 patch 7 or 8.8.x before 8.8.11 patch 3 allows SSRF via the ProxyServlet component.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.81037 · Published 2019-04-30 · No fix listed CWE-918
Priority CRITICAL 89KEV
Zimbra Collaboration (ZCS) 10 before 10.0.18 and 10.1 before 10.1.13 allows Classic UI stored XSS via Cascading Style Sheets (CSS) @import directives in an HTML e-mail message.
CVSS 3.1HIGH 7.2· Network · No auth · No interaction · EPSS 0.20227 · Published 2026-01-05 · Fixed in 10.0.18, 10.1.13 CWE-79
Priority CRITICAL 86KEV
An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0.
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.24606 · Published 2024-08-12 · No fix listed CWE-79
Priority CRITICAL 86KEV
Cross-site scripting (XSS) vulnerability in the ZmMailMsgView.getAttachmentLinkHtml function in Zimbra Collaboration Suite (ZCS) before 8.7 Patch 1 and 8.8.x before 8.8.7 might allow remote attackers to inject arbitrary…
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.29761 · Published 2018-03-27 · No fix listed CWE-79
Priority HIGH 84KEV
An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0 and 10.0 and 10.1.
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.01713 · Published 2025-06-23 · No fix listed CWE-79
Priority HIGH 84KEV
An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0 and 10.1.
CVSS 3.1MEDIUM 5.4· Network · Low privileges · User interaction · EPSS 0.04064 · Published 2025-03-12 · No fix listed CWE-79
Priority HIGH 84KEV
Zimbra Collaboration (ZCS) 8 before 8.8.15 Patch 41 allows XSS in the Zimbra Classic Web Client.
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.49083 · Published 2023-07-31 · No fix listed CWE-79
Priority HIGH 84KEV
A reflected cross-site scripting (XSS) vulnerability in the /public/launchNewWindow.jsp component of Zimbra Collaboration (aka ZCS) 9.0 allows unauthenticated attackers to execute arbitrary web script or HTML via request…
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.17634 · Published 2022-04-20 · No fix listed CWE-79
Priority HIGH 84KEV
An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1), as exploited in the wild starting in December 2021.
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.30931 · Published 2022-02-09 · No fix listed CWE-116
Priority HIGH 72
SQL injection vulnerability in the ZimbraSync Service SOAP endpoint in Zimbra Collaboration 10.0.x before 10.0.12 and 10.1.x before 10.1.4 due to insufficient sanitization of a user-supplied parameter.
CVSS 3.1HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.36726 · Published 2025-02-03 · No fix listed CWE-89
Priority HIGH 69
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 r…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00771 · Published 2022-10-17 · No fix listed CWE-271
Priority HIGH 65
Directory traversal vulnerability in /res/I18nMsg,AjxMsg,ZMsg,ZmMsg,AjxKeys,ZmKeys,ZdMsg,Ajx%20TemplateMsg.js.zgz in Zimbra 7.2.2 and 8.0.2 allows remote attackers to read arbitrary files via a ..
CVSS 2.0MEDIUM 5.0· Network · No auth · Interaction — · EPSS 0.86311 · Published 2013-12-13 · No fix listed CWE-22
Priority MEDIUM 63
A reflected Cross-Site Scripting (XSS) vulnerability has been identified in Zimbra Collaboration Suite (ZCS) 8.8.15, affecting one of the webmail calendar endpoints.
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.6356 · Published 2024-11-07 · No fix listed CWE-79
Priority MEDIUM 49
Synacor Zimbra Collaboration Suite 8.7.x through 8.8.11 allows insecure object deserialization in the IMAP component.
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.03838 · Published 2019-05-29 · No fix listed CWE-502
Priority MEDIUM 49
Directory traversal vulnerability in Zimbra Collaboration Suite (aka ZCS) before 8.7.6 allows attackers to have unspecified impact via unknown vectors.
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.0383 · Published 2017-05-23 · No fix listed CWE-22
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