Remote Code Execution Vulnerability in ZNC modtcl
CVE-2024-39844

9.8CRITICAL

Key Information:

Vendor

ZNC

Status
ZNC
Vendor
CVE Published:
3 July 2024

Badges

👾 Exploit Exists🟣 EPSS 37%

What is CVE-2024-39844?

In ZNC versions prior to 1.9.1, a vulnerability exists within the modtcl module that allows remote code execution through a specific KICK command. This flaw can be exploited by an attacker to execute arbitrary code, potentially compromising the affected server and its data. It is vital for users of ZNC to upgrade to version 1.9.1 or later to mitigate this risk and protect their installations from unauthorized access and control.

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References

https://wiki.znc.in/Category:ChangeLog
https://github.com/znc/znc/releases/tag/znc-1.9.1
https://wiki.znc.in/ChangeLog/1.9.1

EPSS Score

37% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
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

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