CVE-2002-1556
Cisco ONS15454 and ONS15327 running ONS before 3.4 allows attackers to cause a denial of service ...
Cisco ONS15454 and ONS15327 running ONS before 3.4 allows attackers to cause a denial of service (reset) via an HTTP request to the TCC, TCC+ or XTC, in which the request contains an invalid CORBA Interoperable Object Reference (IOR).
Exploit likelihood
What each source reports
NVD Score used
Cisco ONS15454 and ONS15327 running ONS before 3.4 allows attackers to cause a denial of service (reset) via an HTTP request to the TCC, TCC+ or XTC, in which the request contains an invalid CORBA Interoperable Object Reference (IOR).
- Record
CVE-2002-1556- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
Cisco ONS15454 and ONS15327 running ONS before 3.4 allows attackers to cause a denial of service (reset) via an HTTP request to the TCC, TCC+ or XTC, in which the request contains an invalid CORBA Interoperable Object Reference (IOR).
- Record
CVE-2002-1556- Updated
- 2026-11-02
EUVDEUVD-2002-1538 No score
Cisco ONS15454 and ONS15327 running ONS before 3.4 allows attackers to cause a denial of service (reset) via an HTTP request to the TCC, TCC+ or XTC, in which the request contains an invalid CORBA Interoperable Object Reference (IOR).
- Record
EUVD-2002-1538- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9qv7-qrq7-h43g No score
Cisco ONS15454 and ONS15327 running ONS before 3.4 allows attackers to cause a denial of service ...
Cisco ONS15454 and ONS15327 running ONS before 3.4 allows attackers to cause a denial of service (reset) via an HTTP request to the TCC, TCC+ or XTC, in which the request contains an invalid CORBA Interoperable Object Reference (IOR).
- Record
GHSA-9qv7-qrq7-h43g- 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-2002-1556 is a medium vulnerability (CVSS 5.0) 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 1.39%, the 72nd percentile. No source names a fixed version.