February 25, 2022 · Applied Cybernetics Group
CVE-2022-24682 — Synacor Zimbra Collaborate Suite (ZCS)
known ransomware use
Synacor Zimbra Collaborate Suite (ZCS) Cross-Site Scripting Vulnerability
- Added to KEV
2022-02-25- Federal due date
2022-03-11- Vendor
- Synacor
- Product
- Zimbra Collaborate Suite (ZCS)
- EPSS
- 98.1th percentile (score 0.311, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- ATT&CK
- T1059.007 , T1185 , T1204.001 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2022-24682
CISA short description
Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting (XSS) vulnerability in the Calendar feature that allows an attacker to execute arbitrary code.
Required action
Apply updates per vendor instructions.