What’s Vulnerable › Vulnerabilities

CVE-2019-25613: Easy Chat Server 3.1 Denial of Service via message Parameter

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-22 · updated 2026-06-17
• Weakness: CWE-940

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.

Affected products

• Echatserver Easy Chat: 3.1

References

• http://www.echatserver.com
• http://www.echatserver.com/ecssetup.exe
• https://www.exploit-db.com/exploits/46806
• https://www.vulncheck.com/advisories/easy-chat-server-denial-of-service-via-message-parameter

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