IPC@CHIP Telnet service allows remote attacker to lock out admin account

ipcchip-telnet-admin-lockout (6596) The risk level is classified as MediumMedium Risk


IPC@CHIP could allow a remote attacker to prevent the administrator from using Telnet. IPC@CHIP allows only one Telnet connection at a given time. A remote attacker could successfully connect to the Web server using Telnet and leave the connection open to lock out the administrator account.


Denial of Service


No remedy available as of September 1, 2014.


  • BugTraq Mailing List, Thu May 24 2001 - 10:10:40 CDT: IPC@Chip Security.
  • Sentry Research Labs: IPC@CHIP Security Report v0.2.
  • BID-2772: Beck IPC GmbH IPC@CHIP Admin Account Lockout Vulnerability
  • CVE-2001-1340: Beck GmbH IPC@Chip TelnetD service supports only one connection and does not disconnect a user who does not complete the login process, which allows remote attackers to lock out the administrator account by connecting to the service.
  • OSVDB ID: 8847: BecK IPC GmbH IPC@Chip TelnetD Service Single Connection DoS
  • US-CERT VU#756019: Beck IPC@Chip TelnetD vulnerable to account lockout via idle telnet connection

Platforms Affected:

  • Beck IPC GmbH IPC@CHIP


May 21, 2001

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