CVE-2018-25221 identifies a critical buffer overflow vulnerability in EChat Server 3.1, specifically within the chat.ghp endpoint. This flaw allows unauthenticated remote attackers to execute arbitrary code by supplying an oversized username parameter in a GET request. Rated 9.8 CRITICAL on the CVSS scale, it presents a low-complexity attack vector requiring no user interaction or privileges, leading to complete compromise of confidentiality, integrity, and availability. Despite its severity, there is currently no evidence of active exploitation, no public exploit code available, and minimal community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.1CPE matchmatch criteria | cpe:2.3:a:echatserver:easy_chat_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.