CVE-2000-0380
The IOS HTTP service in Cisco routers and switches running IOS 11.1 through 12.1 allows remote...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2000-0380- CVSS 2.0
- 7.1 High
AV:N/AC:M/Au:N/C:N/I:N/A:C - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2000-0380- Updated
- 2026-11-02
EUVDEUVD-2000-0379 No score
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.
- Record
EUVD-2000-0379- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g22v-2gp9-xpmh No score
The IOS HTTP service in Cisco routers and switches running IOS 11.1 through 12.1 allows remote...
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.
- Record
GHSA-g22v-2gp9-xpmh- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Cisco IOS 11.x/12.x - HTTP %% | 2000-04-26 |
| Metasploit | Cisco IOS HTTP GET /%% Request Denial of Service | 2000-04-26 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2000-0380 is a high vulnerability (CVSS 7.1) in Cisco Ios, published April 26, 2000. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 35.0%, the 98th percentile. No source names a fixed version.