Categories: auth, safe, vuln
Checks if a VNC server is vulnerable to the RealVNC authentication bypass (CVE-2006-2369).
- vulns.short, vulns.showall
See the documentation for the vulns library.
nmap -sV --script=realvnc-auth-bypass <target>
PORT STATE SERVICE VERSION 5900/tcp open vnc VNC (protocol 3.8) | realvnc-auth-bypass: | VULNERABLE: | RealVNC 4.1.0 - 4.1.1 Authentication Bypass | State: VULNERABLE | IDs: CVE:CVE-2006-2369 | Risk factor: High CVSSv2: 7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) | RealVNC 4.1.1, and other products that use RealVNC such as AdderLink IP and | Cisco CallManager, allows remote attackers to bypass authentication via a | request in which the client specifies an insecure security type such as | "Type 1 - None", which is accepted even if it is not offered by the server. | Disclosure date: 2006-05-08 | References: | http://www.intelliadmin.com/index.php/2006/05/security-flaw-in-realvnc-411/ |_ https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2369
License: Same as Nmap--See https://nmap.org/book/man-legal.html