Denial of Service Vulnerability in Easy Chat Server by Easy Software
CVE-2019-25613

8.7HIGH

Key Information:

Vendor

Echatserver

Status
Easy Chat
Vendor
CVE Published:
22 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2019-25613?

The Easy Chat Server version 3.1 is susceptible to a denial of service attack, which allows remote attackers to crash the server. By sending an excessively large message through the message parameter in a POST request to the chat.ghp endpoint, attackers can disrupt the normal functioning of the application. This vulnerability can be exploited by establishing a chat session and manipulating the message size, leading to a server crash and potential downtime for users.

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Affected Version(s)

Easy Chat 3.1

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.

CVE-2019-25613 - Proof of Concept

References

https://www.exploit-db.com/exploits/46806
exploit
http://www.echatserver.com
product
http://www.echatserver.com/ecssetup.exe
product

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Miguel Mendez Z
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