CVE-2002-1558

CriticalCVSS 10.0/10Last modified Jun 16, 2026

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.

Metrics

CVSS 2.0 10.0/10AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected software

No affected versions have been published.

Timeline

Published
Mar 31, 2003
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2002-1558: Critical severity, CVSS 10.0 | Vulnix