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Vulnerability record · CVE-2019-25613 · published 22 March 2026

CVE-2019-25613: Echatserver easy chat server vulnerability

EEchatserver · Easy Chat Server

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.

8.7 CVSS 4.0 High EPSS 0.52% · top 58.4% CWE-940 · CWE-940
8.7CVSS 4.0 base score
0.52%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.echatserver.com Broken Link
http://www.echatserver.com/ecssetup.exe Broken Link
https://www.exploit-db.com/exploits/46806 ExploitThird Party AdvisoryVDB Entry
https://www.vulncheck.com/advisories/easy-chat-server-denial-of-service-via-message-parameter Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2017-9544Echatserver easy chat server out-of-bounds write vulnerabilityThere is a remote stack-based buffer overflow (SEH) in register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1. By sending an overly long u…EPSS 24%9.3CVE-2018-25221Echatserver easy chat server out-of-bounds write vulnerabilityEChat Server 3.1 contains a buffer overflow vulnerability in the chat.ghp endpoint that allows remote attackers to execute arbitrary code by supplyin…EPSS 0.82%7.8CVE-2022-44939Echatserver easy chat server uncontrolled search path element vulnerabilityEfs Software Easy Chat Server Version 3.1 was discovered to contain a DLL hijacking vulnerability via the component TextShaping.dll. This vulnerabili…EPSS 0.39%7.5CVE-2019-20502Echatserver easy chat server classic buffer overflow vulnerabilityAn issue was discovered in EFS Easy Chat Server 3.1. There is a buffer overflow via a long body2.ghp message parameter.EPSS 1.1%7.5CVE-2017-9557Echatserver easy chat server insufficiently protected credentials vulnerabilityregister.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1 allows remote attackers to discover passwords by sending the username parameter in …EPSS 1.7%7.5CVE-2017-9543Echatserver easy chat server weak password recovery vulnerabilityregister.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1 allows remote attackers to reset arbitrary passwords via a crafted POST request to …EPSS 1.3%9.3CVE-2025-61932Lanscope Endpoint Manager improper origin verification allows RCELanscope Endpoint Manager (On-Premises), in both the Client program (MR) and Detection agent (DA), does not properly verify the origin of incoming re…KEVEPSS 2.8%analysed

Source: NIST National Vulnerability Database (record CVE-2019-25613), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.