CVE-2002-1558

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2003-03-31 · updated 2026-06-16

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.

Affected products

Cisco Optical Networking Systems Software: 3.0, 3.1.0, 3.2, 3.2.0, 3.3.0

References

http://www.cisco.com/warp/public/707/ons-multiple-vuln-pub.shtml
http://www.iss.net/security_center/static/10510.php
http://www.securityfocus.com/bid/6083
http://www.cisco.com/warp/public/707/ons-multiple-vuln-pub.shtml
http://www.iss.net/security_center/static/10510.php
http://www.securityfocus.com/bid/6083

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