CISA Known Exploited Vulnerability
This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.
Remediation Deadline: Jul 28, 2025
High
CISA KEVCVE-2019-9621
Synacor—Zimbra Collaboration Suite (ZCS)
Synacor Zimbra Collaboration Suite (ZCS) contains a server-side request forgery (SSRF) vulnerability via the ProxyServlet component.
Required Action
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories ; https://wiki.zimbra.com/wiki/Security_Center ; https://nvd.nist.gov/vuln/detail/CVE-2019-9621
Vulnerability Overview
- Severity
- High
- CISA KEV
- Yes
- Ransomware
- Unknown
- Published
- Jul 7, 2025
- KEV Added
- Jul 7, 2025
- Due Date
- Jul 28, 2025
- Related Articles
- 0
Vendor
Synacor
Zimbra Collaboration Suite (ZCS)