Server-side Request Forgery Vulnerability in Zimbra Collaboration Suite
CVE-2019-9621

7.5HIGH

Key Information:

Vendor

Zimbra

Status
Collaboration Server
Vendor
CVE Published:
30 April 2019

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 91%

What is CVE-2019-9621?

A server-side request forgery vulnerability exists in the ProxyServlet component of Zimbra Collaboration Suite, affecting various versions prior to specific patches. This flaw allows an attacker to make unauthorized requests from the server to internal services, potentially exposing sensitive information or facilitating other attacks. Administrators are advised to apply the latest patches to mitigate security risks associated with this vulnerability.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

Metasploit exploit module for CVE-2019-9621
Created by Rapid7

ZimbraExploit
Created by k8gege

References

https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
x_refsource_CONFIRM
https://wiki.zimbra.com/wiki/Security_Center
x_refsource_MISC
https://bugzilla.zimbra.com/show_bug.cgi?id=109127
x_refsource_MISC

EPSS Score

91% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.