CVE-2002-1558

critical Cisco
CVSS v3 Base Score
10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS Score
0.9%
Exploitation probability in 30 days
Top 24% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
C
Integrity
C
Availability
C
Published: March 31, 2003 (8445 days ago)
Last Modified: April 16, 2026
Vendor: Cisco
Source: NVD

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.

CWE

NVD-CWE-Other

Affected Products

cisco optical networking systems software

References

🔗 www.cisco.com 🔗 www.iss.net 🔗 www.securityfocus.com 🔗 www.cisco.com 🔗 www.iss.net