CVE-2002-1558 — HIGH severity vulnerability (Cisco ONS15454 and ONS15327 running ONS before 3.4 have an a)
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.
| CVE ID | CVE-2002-1558 |
|---|---|
| Severity | HIGH |
| CVSS score | 10.0 |
| CVSS vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
| CWE | NVD-CWE-Other |
| Status | Modified |
| Published | 2003-03-31 |
| Last modified | 2026-04-16 |
| 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. |
| Source | NIST National Vulnerability Database |
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