CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.8. It affects Java.
CVE
CVE-2021-35209
Severity
CRITICAL
CVSS
9.8
EPSS
2.97%
Java
Original NVD Description
An issue was discovered in ProxyServlet.java in the /proxy servlet in Zimbra Collaboration Suite 8.8 before 8.8.15 Patch 23 and 9.x before 9.0.0 Patch 16. The value of the X-Host header overwrites the value of the Host header in proxied requests. The value of X-Host header is not checked against the whitelist of hosts Zimbra is allowed to proxy to (the zimbraProxyAllowedDomains setting).
Related CVEs
Other vulnerabilities affecting the same vendor(s)