{"id":"CVE-2002-1558","aliases":["EUVD-2002-1540","GHSA-xf47-834w-q9wp"],"status":"published","title":"Cisco ONS15454 and ONS15327 running ONS before 3.4 have an account for the VxWorks Operating...","description":"Cisco ONS15454 and ONS15327 running ONS before 3.4 have an account for the VxWorks Operating System in the TCC, TCC+ and XTC that cannot be changed or disabled, which allows remote attackers to gain privileges by connecting to the account via Telnet.","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02792,"percentile":0.86517,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2003-03-18T05:00:00Z","modified":"2026-06-16T21:59:33Z","products":[{"vendor":"cisco","product":"optical_networking_systems_software"}],"references":[{"url":"http://www.iss.net/security_center/static/10510.php","tags":["vdb-entry","x_refsource_XF","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/6083","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.cisco.com/warp/public/707/ons-multiple-vuln-pub.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-1558"},{"url":"https://github.com/advisories/GHSA-xf47-834w-q9wp"}],"sources":{"cve":[{"id":"CVE-2002-1558","description":"Cisco ONS15454 and ONS15327 running ONS before 3.4 have an account for the VxWorks Operating System in the TCC, TCC+ and XTC that cannot be changed or disabled, which allows remote attackers to gain privileges by connecting to the account via Telnet.","status":"published","published":"2003-03-18T05:00:00Z","modified":"2024-08-08T03:26:28.944Z","updated_at":"2026-11-02T14:33:54.972584Z"}],"euvd":[{"id":"EUVD-2002-1540","description":"Cisco ONS15454 and ONS15327 running ONS before 3.4 have an account for the VxWorks Operating System in the TCC, TCC+ and XTC that cannot be changed or disabled, which allows remote attackers to gain privileges by connecting to the account via Telnet.","status":"published","published":"2003-03-18T05:00:00Z","modified":"2024-08-08T03:26:28Z","updated_at":"2026-11-03T01:14:55.73497Z"}],"ghsa":[{"id":"GHSA-xf47-834w-q9wp","title":"Cisco ONS15454 and ONS15327 running ONS before 3.4 have an account for the VxWorks Operating...","description":"Cisco ONS15454 and ONS15327 running ONS before 3.4 have an account for the VxWorks Operating System in the TCC, TCC+ and XTC that cannot be changed or disabled, which allows remote attackers to gain privileges by connecting to the account via Telnet.","status":"published","published":"2022-04-30T18:21:23Z","modified":"2023-01-30T05:06:28Z","updated_at":"2026-11-02T14:47:30.041148Z"}],"nvd":[{"id":"CVE-2002-1558","description":"Cisco ONS15454 and ONS15327 running ONS before 3.4 have an account for the VxWorks Operating System in the TCC, TCC+ and XTC that cannot be changed or disabled, which allows remote attackers to gain privileges by connecting to the account via Telnet.","status":"published","published":"2003-03-31T05:00:00Z","modified":"2026-06-16T21:59:33.087Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:00:44.251133Z"}]}}