What is CVE-2022-37041?

CVE-2022-37041 is a high-severity vulnerability in Zimbra Collaboration, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2022-08-12.

How severe is CVE-2022-37041?

High severity. CVSS v3 base score is 7.5 out of 10.

SSRF in Zimbra Collaboration

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).

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2022-08-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.2th percentile), scored 2026-09-27.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Zimbra Collaboration — versions 8.8.15, 9.0.0

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

wiki.zimbra.com/wiki/Zimbra_Security_Advisories (Vendor Advisory)
wiki.zimbra.com/wiki/Security_Center (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-37041?: CVE-2022-37041 is a high-severity vulnerability in Zimbra Collaboration, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2022-08-12.
How severe is CVE-2022-37041?: High severity. CVSS v3 base score is 7.5 out of 10.