Executive Summary

Informations
Name CVE-2021-35209 First vendor Publication 2021-07-02
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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).

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35209

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 78

Sources (Detail)

https://blog.sonarsource.com/zimbra-webmail-compromise-via-email
https://wiki.zimbra.com/wiki/Security_Center
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P23
https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P16
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
Source Url

Alert History

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Date Informations
2024-11-28 13:58:17
  • Multiple Updates
2022-08-19 02:04:51
  • Multiple Updates
2021-09-21 00:23:07
  • Multiple Updates
2021-08-04 21:23:19
  • Multiple Updates
2021-08-03 00:22:59
  • Multiple Updates
2021-07-08 17:22:47
  • Multiple Updates
2021-07-03 00:22:48
  • First insertion