CVE-2022-37041

—

CVSS 3.1

7.5 high

EPSS

<1%p50

Published

Aug 12, 2022 (Aug 12, 2022)

Modified

Jun 17, 2026

Description

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).

Vendors: zimbra
Products: collaboration
Weakness: CWE-918
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.7%)

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