CVE-2019-25613

HIGH

Easy Chat Server 3.1 Denial of Service via message Parameter

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-25613. PoCs published by Miguel Mendez Z.

AI-analyzed exploit summary This exploit demonstrates a Denial of Service (DoS) vulnerability in Easy Chat Server 3.1 by sending a crafted POST request with an oversized 'message' parameter, causing the application to crash. The attack involves a two-step process: first establishing a valid session via a GET request, then triggering the crash via a POST request with a large payload.

Description

Easy Chat Server 3.1 contains a denial of service vulnerability that allows remote attackers to crash the application by sending oversized data in the message parameter. Attackers can establish a session via the chat.ghp endpoint and then send a POST request to body2.ghp with an excessively large message parameter value to cause the service to crash.

Exploits (1)

exploitdb WORKING POC
by Miguel Mendez Z · pythondoswindows
https://www.exploit-db.com/exploits/46806

This exploit demonstrates a Denial of Service (DoS) vulnerability in Easy Chat Server 3.1 by sending a crafted POST request with an oversized 'message' parameter, causing the application to crash. The attack involves a two-step process: first establishing a valid session via a GET request, then triggering the crash via a POST request with a large payload.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Easy Chat Server 3.1
No auth needed
Prerequisites: Network access to the target server · Target server running Easy Chat Server 3.1
devstral-2 · analyzed Mar 22, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit exploit
ExploitDB-46806
https://www.exploit-db.com/exploits/46806
Product product
Official Product Homepage
http://www.echatserver.com
Product product
Product Reference
http://www.echatserver.com/ecssetup.exe
Third Party Advisory third-party-advisory
VulnCheck Advisory: Easy Chat Server 3.1 Denial of Service via message Parameter
https://www.vulncheck.com/advisories/easy-chat-server-denial-of-service-via-message-parameter

Scores

CVSS v3 7.5
EPSS 0.0052
EPSS Percentile 39.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-940
Status published
Products (2)
Echatserver/Easy Chat 3.1
echatserver/easy_chat_server 3.1
Published Mar 22, 2026
Tracked Since Mar 22, 2026