CVE-2002-1553
Cisco ONS15454 and ONS15327 running ONS before 3.4 allows remote attackers to modify the system...
Cisco ONS15454 and ONS15327 running ONS before 3.4 allows remote attackers to modify the system configuration and delete files by establishing an FTP connection to the TCC, TCC+ or XTC using a username and password that does not exist.
Exploit likelihood
What each source reports
NVD Score used
Cisco ONS15454 and ONS15327 running ONS before 3.4 allows remote attackers to modify the system configuration and delete files by establishing an FTP connection to the TCC, TCC+ or XTC using a username and password that does not exist.
- Record
CVE-2002-1553- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
Cisco ONS15454 and ONS15327 running ONS before 3.4 allows remote attackers to modify the system configuration and delete files by establishing an FTP connection to the TCC, TCC+ or XTC using a username and password that does not exist.
- Record
CVE-2002-1553- Updated
- 2026-11-02
EUVDEUVD-2002-1535 No score
Cisco ONS15454 and ONS15327 running ONS before 3.4 allows remote attackers to modify the system configuration and delete files by establishing an FTP connection to the TCC, TCC+ or XTC using a username and password that does not exist.
- Record
EUVD-2002-1535- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cr5q-mgrc-j4qj No score
Cisco ONS15454 and ONS15327 running ONS before 3.4 allows remote attackers to modify the system...
Cisco ONS15454 and ONS15327 running ONS before 3.4 allows remote attackers to modify the system configuration and delete files by establishing an FTP connection to the TCC, TCC+ or XTC using a username and password that does not exist.
- Record
GHSA-cr5q-mgrc-j4qj- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2002-1553 is a high vulnerability (CVSS 7.5) in Cisco Optical Networking Systems Software, published March 18, 2003. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.61%, the 76th percentile. No source names a fixed version.