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TI-2022-17238 Aliases CVE-2022-37041GHSA-63w7-6gxr-7jjw

An issue was discovered in ProxyServlet.java in the /proxy servlet in Zimbra…

Priority LOW 34CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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).

Why it matters now

EPSS 0.00761 55th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:zimbra:collaboration:8.8.15:-:*:*:*:*:*:*8.8.15VulnerableZimbra
cpe:2.3:a:zimbra:collaboration:9.0.0:-:*:*:*:*:*:*9.0.0VulnerableZimbra
  • cpe:2.3:a:zimbra:collaboration:8.8.15:-:*:*:*:*:*:* Versions 8.8.15 Vulnerable ·Zimbra
  • cpe:2.3:a:zimbra:collaboration:9.0.0:-:*:*:*:*:*:* Versions 9.0.0 Vulnerable ·Zimbra

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-37041
  2. 2026-10-03 Alias added: GHSA-63w7-6gxr-7jjw

References

Patch 1

Advisory 1

  • TI-2024-18266 An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. KEVCVSS 3.1MEDIUM 6.1
  • TI-2024-30553 An issue was discovered in Zimbra Collaboration (ZCS) 10.1.x before 10.1.1, 10.0.x before… CVSS 3.1HIGH 8.8
  • TI-2022-13998 Zimbra Collaboration Open Source 8.8.15 does not encrypt the initial-login randomly… CVSS 3.1CRITICAL 9.8
  • TI-2023-13772 An issue in Zimbra Collaboration ZCS v.8.8.15 and v.9.0 allows an attacker to execute… CVSS 3.1CRITICAL 9.8
  • TI-2023-13771 An issue in Zimbra Collaboration (ZCS) v.8.8.15 and v.9.0 allows a remote attacker to… CVSS 3.1CRITICAL 9.8
  • TI-2023-27722 Zimbra Collaboration before Kepler 9.0.0 Patch 38 GA allows DOM-based JavaScript injection in the Modern UI. CVSS 3.1CRITICAL 9.1
See all 40 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences