CVE-2005-2403 json
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 b…
published 2005-07-27 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-2404
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
1.49% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- seclists.org http://seclists.org/lists/bugtraq/2005/Jul/0403.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
References
-
seclists.org
/lists/bugtraq/2005/Jul/0403.html
mailing-list, exploit, vendor-advisory
-
securityfocus.com
/bid/14358
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/21497
vdb-entry
-
securitytracker.com
/id?1014562
vdb-entry
Sources
- CVE List CVE-2005-2403
- NVD CVE-2005-2403
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.