CVE-2002-1557
UnknownEPSS 1.39%
Last modified
CVE-2002-1557 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.39% chance of exploitation in the next 30 days.
Description
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.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Optical Networking Systems Software | 3.0 |
| Cisco | Optical Networking Systems Software | 3.1.0 |
| Cisco | Optical Networking Systems Software | 3.2 |
| Cisco | Optical Networking Systems Software | 3.2.0 |
| Cisco | Optical Networking Systems Software | 3.3.0 |
References
- http://www.cisco.com/warp/public/707/ons-multiple-vuln-pub.shtmlPatch, Vendor Advisory
- http://www.iss.net/security_center/static/10509.phpPatch, Vendor Advisory
- http://www.securityfocus.com/bid/6082Patch, Vendor Advisory
- http://www.cisco.com/warp/public/707/ons-multiple-vuln-pub.shtmlPatch, Vendor Advisory
- http://www.iss.net/security_center/static/10509.phpPatch, Vendor Advisory
- http://www.securityfocus.com/bid/6082Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2002-1557?
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.
How severe is CVE-2002-1557?
Severity scoring for CVE-2002-1557 is pending analysis. The EPSS model estimates a 1.39% probability of exploitation in the next 30 days.
How do I fix CVE-2002-1557?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2002-1557?
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