CVE-2002-1557
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 to TCC, TCC+, TCCi or XTC) via a malformed HTTP request that does not contain a leading / (slash) character.
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 to TCC, TCC+, TCCi or XTC) via a malformed HTTP request that does not contain a leading / (slash) character.
- Record
CVE-2002-1557- 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 to TCC, TCC+, TCCi or XTC) via a malformed HTTP request that does not contain a leading / (slash) character.
- Record
CVE-2002-1557- Updated
- 2026-11-02
EUVDEUVD-2002-1539 No score
Cisco ONS15454 and ONS15327 running ONS before 3.4 allows attackers to cause a denial of service (reset to TCC, TCC+, TCCi or XTC) via a malformed HTTP request that does not contain a leading / (slash) character.
- Record
EUVD-2002-1539- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rvqh-qh4f-c556 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 to TCC, TCC+, TCCi or XTC) via a malformed HTTP request that does not contain a leading / (slash) character.
- Record
GHSA-rvqh-qh4f-c556- 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-2002-1557 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.