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CVE-2021-35209 Detail

Description

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).


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://blog.sonarsource.com/zimbra-webmail-compromise-via-email Exploit  Third Party Advisory 
https://wiki.zimbra.com/wiki/Security_Center Release Notes  Vendor Advisory 
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P23 Release Notes  Vendor Advisory 
https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P16 Release Notes  Vendor Advisory 
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-918 Server-Side Request Forgery (SSRF) cwe source acceptance level NIST  

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-35209
NVD Published Date:
07/02/2021
NVD Last Modified:
09/20/2021
Source:
MITRE