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zimbra_collaboration_suite

Vendor: synacor

Actively Exploited 17 CISA KEV List
PoC / Exploits 10 Code Available
Total RCEs 6 Remote Access
Total CVEs 443 Total Indexed
Avg. EPSS 19.23% Exploit Prob.
Latest CVE CVE-2026-33373 Mar 30

Security Vulnerability Index

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9.8 CVSS

Directory traversal vulnerability in Zimbra Collaboration Suite (aka ZCS) before 8.7.6 allows attackers to have unspecified impact via unknown vectors.

EPSS: 0.75%
9.8 CVSS

A service provided by Zimbra Collaboration Suite (ZCS) before 8.7.6 fails to require needed privileges before performing a few requested operations.

EPSS: 0.55%
8.8 CVSS

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.

EPSS: 0.37%
9.8 CVSS

Zimbra Collaboration Suite (ZCS) before 8.7.4 allows remote attackers to conduct XML External Entity (XXE) attacks.

EPSS: 0.65%
7.5 CVSS

Unspecified vulnerability in Zimbra Collaboration before 8.7.0 allows remote attackers to affect integrity via unknown vectors, aka bug 104477.

EPSS: 0.40%
6.1 CVSS

Multiple cross-site scripting (XSS) vulnerabilities in Zimbra Collaboration before 8.7.0 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors, aka bugs 104552 and 104703.

EPSS: 0.36%
9.1 CVSS

Zimbra Collaboration before 8.7.0 allows remote attackers to conduct deserialization attacks via unspecified vectors, aka bug 102276.

EPSS: 0.47%
6.5 CVSS

Unspecified vulnerability in Zimbra Collaboration before 8.6.0 Patch 7 allows remote authenticated users to affect availability via unknown vectors, aka bug 102029.

EPSS: 0.70%
7.5 CVSS

Unspecified vulnerability in Zimbra Collaboration before 8.7.0 allows remote attackers to affect integrity via unknown vectors, aka bug 103996.

EPSS: 0.40%
6.1 CVSS

Multiple cross-site scripting (XSS) vulnerabilities in Zimbra Collaboration before 8.7.0 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors, aka bugs 103997, 104413, 104414, 104777, and 104791.

EPSS: 0.30%