Alcatel OmniSwitch 7700/7800 switches running AOS 5.1.1 contains a back door telnet server that was intended for development but not removed before distribution, which allows remote attackers to gain administrative privileges.
http://www.cert.org/advisories/CA-2002-32.html
http://www.kb.cert.org/vuls/id/181721
Source: MITRE
Published: 2002-12-11
Updated: 2017-10-10
Type: NVD-CWE-Other
Base Score: 10
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 10
Severity: HIGH