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CVE-2022-24682

Synacor Zimbra Collaborate Suite (ZCS) Cross-Site Scripting Vulnerability

6.1
CVSS
30.9%
EPSS (exploit prob.)
98.3%
EPSS percentile
Yes
Actively exploited
Yes
Ransomware use
2022-02-25
Added
→ 0.0 pts
30-day EPSS trend

MITRE ATT&CK techniques

How this vulnerability maps to adversary behaviour, from the Center for Threat-Informed Defense's public CVE→ATT&CK mappings. Use it to check whether your detections already cover the technique.

TechniqueNameRelationship
T1204.001 Malicious Link exploitation technique
T1059.007 JavaScript primary impact
T1185 Browser Session Hijacking secondary impact

Summary

Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting (XSS) vulnerability in the Calendar feature that allows an attacker to execute arbitrary code.

Affected software

Vendor: Synacor  ·  Product: Zimbra Collaborate Suite (ZCS)

Weakness types (CWE):

CWE-79CWE-116

What to do

This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.

Related vulnerabilities in Synacor

CVENameEPSSExploited
CVE-2019-9670 Synacor Zimbra Collaboration Suite (ZCS) Improper Restriction of XML External En 100.0% Yes
CVE-2024-45519 Synacor Zimbra Collaboration Suite (ZCS) Command Execution Vulnerability 99.9% Yes
CVE-2022-27925 Synacor Zimbra Collaboration Suite (ZCS) Arbitrary File Upload Vulnerability 98.7% Yes
CVE-2022-41352 Synacor Zimbra Collaboration Suite (ZCS) Arbitrary File Upload Vulnerability 95.5% Yes
CVE-2022-27924 Synacor Zimbra Collaboration Suite (ZCS) Command Injection Vulnerability 93.9% Yes
CVE-2020-7796 Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery Vulnerabili 93.6% Yes
CVE-2022-37042 Synacor Zimbra Collaboration Suite (ZCS) Authentication Bypass Vulnerability 92.1% Yes
CVE-2019-9621 Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery (SSRF) Vuln 81.0% Yes

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Sources: CISA KEV catalog · NVD · FIRST EPSS · MITRE ATT&CK® · CTID Mappings Explorer

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