CVE-2022-37041
HIGHZimbra Collaboration Suite 8.8.15 and 9.0 - Server-Side Request Forgery via X-Forwarded-Host Header
Title source: llmDescription
An issue was discovered in ProxyServlet.java in the /proxy servlet in Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0. The value of the X-Forwarded-Host header overwrites the value of the Host header in proxied requests. The value of X-Forwarded-Host header is not checked against the whitelist of hosts that ZCS is allowed to proxy to (the zimbraProxyAllowedDomains setting).
References (2)
Core 2
Core References
Vendor Advisory x_refsource_misc
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
Patch, Vendor Advisory x_refsource_misc
https://wiki.zimbra.com/wiki/Security_Center
Scores
CVSS v3
7.5
EPSS
0.0053
EPSS Percentile
40.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Details
CWE
CWE-918
Status
published
Products (2)
zimbra/collaboration
8.8.15
zimbra/collaboration
9.0.0
Published
Aug 12, 2022
Tracked Since
Feb 18, 2026