Vulnerability Database

300,830

Total vulnerabilities in the database

CVE-2021-35209

An issue was discovered in ProxyServlet.java in the /proxy servlet in Zimbra Collaboration Suite 8.8 before 8.8.15 Patch 23 and 9.x before 9.0.0 Patch 16. The value of the X-Host header overwrites the value of the Host header in proxied requests. The value of X-Host header is not checked against the whitelist of hosts Zimbra is allowed to proxy to (the zimbraProxyAllowedDomains setting).

  • Published: Jul 2, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-35209
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.8
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
zimbra / collaboration 9.0.0 9.0.0.x
zimbra / collaboration 9.0.0-p2 9.0.0-p2.x
zimbra / collaboration 9.0.0-p3 9.0.0-p3.x
zimbra / collaboration 9.0.0-p4 9.0.0-p4.x
zimbra / collaboration 9.0.0-p5 9.0.0-p5.x
zimbra / collaboration 9.0.0-p6 9.0.0-p6.x
zimbra / collaboration 9.0.0-p7 9.0.0-p7.x
zimbra / collaboration 9.0.0-p8 9.0.0-p8.x
zimbra / collaboration 9.0.0-p9 9.0.0-p9.x
zimbra / collaboration 9.0.0-p1 9.0.0-p1.x
zimbra / collaboration 8.8.15-p10 8.8.15-p10.x
zimbra / collaboration 8.8.15-p11 8.8.15-p11.x
zimbra / collaboration 8.8.15-p16 8.8.15-p16.x
zimbra / collaboration 8.8.15-p15 8.8.15-p15.x
zimbra / collaboration 8.8.15-p14 8.8.15-p14.x
zimbra / collaboration 8.8.15-p13 8.8.15-p13.x
zimbra / collaboration 8.8.15-p12 8.8.15-p12.x
zimbra / collaboration 8.8.15-p1 8.8.15-p1.x
zimbra / collaboration 8.8.15-p2 8.8.15-p2.x
zimbra / collaboration 8.8.15-p3 8.8.15-p3.x
zimbra / collaboration 8.8.15-p4 8.8.15-p4.x
zimbra / collaboration 8.8.15-p5 8.8.15-p5.x
zimbra / collaboration 8.8.15-p6 8.8.15-p6.x
zimbra / collaboration 8.8.15-p7 8.8.15-p7.x
zimbra / collaboration 8.8.15-p8 8.8.15-p8.x
zimbra / collaboration 8.8.15-p9 8.8.15-p9.x
zimbra / collaboration 8.8.15 8.8.15.x
zimbra / collaboration 8.8.15-p17 8.8.15-p17.x
zimbra / collaboration 8.8.15-p18 8.8.15-p18.x
zimbra / collaboration 8.8.15-p19 8.8.15-p19.x
zimbra / collaboration 9.0.0-p10 9.0.0-p10.x
zimbra / collaboration 9.0.0-p11 9.0.0-p11.x
zimbra / collaboration 9.0.0-p12 9.0.0-p12.x
zimbra / collaboration 8.8 8.8.15