CVE-2002-1558 json
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…
published 2003-03-18 23 y ago modified 2026-06-16 4 mo ago also EUVD-2002-1540
- cvss
- 10.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.8%
- EPSS 2.8% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
2.79% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
References
-
cisco.com
/warp/public/707/ons-multiple-vuln-pub.shtml
vendor-advisory, patch
-
iss.net
/security_center/static/10510.php
vdb-entry, patch, vendor-advisory
-
securityfocus.com
/bid/6083
vdb-entry, patch, vendor-advisory
Sources
- CVE List CVE-2002-1558
- NVD CVE-2002-1558
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.