CVE-2005-2403

MEDIUM 5.0CVE-2005-2403 · Published 27/07/2005 · updated 16/06/2026

In short

CVE-2005-2403 is a MEDIUM (CVSS 5.0) vulnerability affecting realchat (realchat).
Chance of exploitation in the next 30 days (EPSS): 1.5%, higher than 74.3% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
realchat realchat	`= 3.5.1b`	No fix yet

Description

The login protocol in RealChat 3.5.1b does not use authentication, which allows remote attackers to log on as other users by sniffing the beginning of a chat session and replaying it via a modified username.

References

seclists.org/lists/bugtraq/2005/Jul/0403.html · Exploit
securitytracker.com/id
securityfocus.com/bid/14358
exchange.xforce.ibmcloud.com/vulnerabilities/21497

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