{"id":"CVE-2022-37041","aliases":["EUVD-2022-39695","GHSA-63w7-6gxr-7jjw"],"status":"published","title":"An issue was discovered in ProxyServlet.java in the /proxy servlet in Zimbra Collaboration Suite ...","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).","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00761,"percentile":0.55602,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2022-08-11T19:06:49Z","modified":"2026-10-28T02:31:05Z","products":[{"vendor":"zimbra","product":"collaboration"}],"references":[{"url":"https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","web"]},{"url":"https://wiki.zimbra.com/wiki/Security_Center","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-37041","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-63w7-6gxr-7jjw"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/37xxx/CVE-2022-37041.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-37041","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).","status":"published","published":"2022-08-11T19:06:49Z","modified":"2024-08-03T10:21:32.678Z","updated_at":"2026-11-02T14:34:26.977054Z"}],"euvd":[{"id":"EUVD-2022-39695","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).","status":"published","published":"2022-08-11T19:06:49Z","modified":"2024-08-03T10:21:32Z","updated_at":"2026-11-03T03:25:24.099928Z"}],"ghsa":[{"id":"GHSA-63w7-6gxr-7jjw","title":"An issue was discovered in ProxyServlet.java in the /proxy servlet in Zimbra Collaboration Suite ...","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).","status":"published","published":"2022-08-13T00:00:46Z","modified":"2023-01-28T05:06:16Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:44:25.398405Z"}],"nvd":[{"id":"CVE-2022-37041","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).","status":"published","published":"2022-08-12T15:15:16.01Z","modified":"2026-06-17T04:54:30.863Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:07:24.750124Z"}],"osv":[{"id":"CVE-2022-37041","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).","status":"published","published":"2022-08-11T19:06:49Z","modified":"2026-10-28T02:31:05.748842947Z","updated_at":"2026-11-02T15:44:26.53798Z"}]}}