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Servers and applications

CVE-2022-37041

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).

Severity
High 7.5
Published
12 Aug 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Zimbra CollaborationServers and applications · cpe:a:zimbra:collaboration
  • Version 8.8.15
  • Version 9.0.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-37041
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-37041