What is CVE-2019-25613?

CVE-2019-25613 is a high-severity vulnerability in Echatserver Easy Chat, classified under Improper Verification of Source of a Communication Channel. CVSS score: 7.5/10. Published 2026-03-22.

How severe is CVE-2019-25613?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Echatserver Easy Chat

CVE-2019-25613

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.

EPSS: 0.005 (41.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Echatserver Easy Chat — versions 3.1
Echatserver Easy_chat_server — versions 3.1

Weakness classification (CWE)

CWE-940 — Improper Verification of Source of a Communication Channel

References

disclosure@vulncheck.com (Exploit, VDB Entry, Third Party Advisory, exploit)
disclosure@vulncheck.com (product, Broken Link)
disclosure@vulncheck.com (product, Broken Link)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2019-25613?: CVE-2019-25613 is a high-severity vulnerability in Echatserver Easy Chat, classified under Improper Verification of Source of a Communication Channel. CVSS score: 7.5/10. Published 2026-03-22.
How severe is CVE-2019-25613?: High severity. CVSS v3 base score is 7.5 out of 10.