July 27, 2023 · Applied Cybernetics Group
CVE-2023-37580 — Synacor Zimbra Collaboration Suite (ZCS)
Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability
- Added to KEV
2023-07-27- Federal due date
2023-08-17- Vendor
- Synacor
- Product
- Zimbra Collaboration Suite (ZCS)
- EPSS
- 98.8th percentile (score 0.467, as of
2026-09-16) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2023-37580
CISA short description
Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability impacting the confidentiality and integrity of data.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.