Cisco ONS could allow FTP access with no account

cisco-ons-ftp-no-account (10505) The risk level is classified as HighHigh Risk

Description:

Cisco ONS15454 optical transport hardware and Cisco ONS15327 edge optical transport hardware running Cisco ONS software could allow a remote attacker to gain unauthorized FTP access. A remote attacker could use a non-existent username and password to gain unauthorized FTP access to the TCC, TCC+, or XTC interfaces. The attacker could use this vulnerability to upload malicious configuration files or delete software images.


Consequences:

Gain Access

Remedy:

Refer to Cisco Security Advisory 2002 October 31 at 1600 UTC for workaround information or information on obtaining a software upgrade. See References.

References:

  • Cisco Systems Inc. Security Advisory, 2002 October 31 at 1600 UTC: Cisco ONS15454 and Cisco ONS15327 Vulnerabilities.
  • BID-6073: Cisco ONS15454/ONS15327 Optical Transport Platforms Multiple Vulnerabilities
  • BID-6076: Cisco ONS15454/ONS15327 Optical Transport Platforms Unauthorized FTP Access Vulnerability
  • CVE-2002-1553: Cisco ONS15454 and ONS15327 running ONS before 3.4 allows remote attackers to modify the system configuration and delete files by establishing an FTP connection to the TCC, TCC+ or XTC using a username and password that does not exist.
  • OSVDB ID: 8879: Cisco ONS FTP TCC/XTC Invalid Authentication System Modification

Platforms Affected:

  • Cisco ONS 15327 3.0
  • Cisco ONS 15327 3.1
  • Cisco ONS 15327 3.2
  • Cisco ONS 15327 3.3
  • Cisco ONS 15454 Optical Transport Platform 3.0
  • Cisco ONS 15454 Optical Transport Platform 3.1.0
  • Cisco ONS 15454 Optical Transport Platform 3.2.0
  • Cisco ONS 15454 Optical Transport Platform 3.3

Reported:

Oct 31, 2002

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