CVE-2000-0380
UnknownEPSS 35.00%
Last modified
CVE-2000-0380 is a vulnerability of currently unknown severity. The IOS HTTP service in Cisco routers and switches running IOS 11.1 through 12.1 allows remote attackers to cause a denial of service by requesting a URL that contains a %% string.. EPSS estimates a 35.00% chance of exploitation in the next 30 days.
Description
The IOS HTTP service in Cisco routers and switches running IOS 11.1 through 12.1 allows remote attackers to cause a denial of service by requesting a URL that contains a %% string.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ios | 11.1 |
| Cisco | Ios | 11.2 |
| Cisco | Ios | 11.2\(4\)f1 |
| Cisco | Ios | 11.2\(8\) |
| Cisco | Ios | 11.2\(8\)p |
| Cisco | Ios | 11.2\(9\)p |
| Cisco | Ios | 11.2\(9\)xa |
| Cisco | Ios | 11.2\(10\) |
| Cisco | Ios | 11.2\(10\)bc |
| Cisco | Ios | 11.2\(17\) |
| Cisco | Ios | 11.2p |
| Cisco | Ios | 11.3 |
| Cisco | Ios | 11.3\(1\) |
| Cisco | Ios | 11.3\(1\)ed |
| Cisco | Ios | 11.3\(1\)t |
| Cisco | Ios | 11.3t |
| Cisco | Ios | 12.0 |
| Cisco | Ios | 12.0\(1\)w |
| Cisco | Ios | 12.0\(1\)xa3 |
| Cisco | Ios | 12.0\(1\)xb |
| Cisco | Ios | 12.0\(1\)xe |
| Cisco | Ios | 12.0\(2\) |
| Cisco | Ios | 12.0\(2\)xc |
| Cisco | Ios | 12.0\(2\)xd |
| Cisco | Ios | 12.0\(2\)xf |
| Cisco | Ios | 12.0\(2\)xg |
| Cisco | Ios | 12.0\(3\)t2 |
| Cisco | Ios | 12.0\(4\) |
| Cisco | Ios | 12.0\(4\)s |
| Cisco | Ios | 12.0\(4\)t |
| Cisco | Ios | 12.0\(5\) |
| Cisco | Ios | 12.0\(5\)t1 |
| Cisco | Ios | 12.0\(6\) |
| Cisco | Ios | 12.0\(7\)t |
| Cisco | Ios | 12.0\(8\) |
| Cisco | Ios | 12.0\(9\)s |
| Cisco | Ios | 12.0db |
| Cisco | Ios | 12.0s |
| Cisco | Ios | 12.0t |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2000-0380?
The IOS HTTP service in Cisco routers and switches running IOS 11.1 through 12.1 allows remote attackers to cause a denial of service by requesting a URL that contains a %% string.
How severe is CVE-2000-0380?
Severity scoring for CVE-2000-0380 is pending analysis. The EPSS model estimates a 35.00% probability of exploitation in the next 30 days.
How do I fix CVE-2000-0380?
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-2000-0380?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST