HOMEVULNERABILITIESCVE-2022-37041
HIGH

CVE-2022-37041

CWE-918Published: August 12, 2022· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official 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).

NVD Source

Technical Analysis

CVE-2022-37041 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Vendors & Products

zimbra1 product(s)
collaboration
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://wiki.zimbra.com/wiki/Security_Center
PATCHhttps://wiki.zimbra.com/wiki/Security_Center
ADVISORYhttps://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
ADVISORYhttps://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

All References (4)

→
https://wiki.zimbra.com/wiki/Security_CenterPatch · Vendor Advisory
→
https://wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesVendor Advisory
→
https://wiki.zimbra.com/wiki/Security_CenterPatch · Vendor Advisory
→
https://wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesVendor Advisory

Quick Facts

CVE IDCVE-2022-37041
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-918
CISA KEVNo
Affected1 vendor(s)
PublishedAug 12, 2022

Related CVEs (CWE-918)

CVE-2017-12905
10.0
CVE-2019-10686
10.0
CVE-2025-2828
10.0
CVE-2026-35431
10.0
CVE-2026-26150
10.0
CVE-2026-15409
KEV10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-37041 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2022-37041·NVD