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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…
High7.1EPSS 35.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.1 | AV:N/AC:M/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 35.0% · top 1.6% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Weakness
Affected products
n/a
- affected n/a
References (4)
- 20000514 Cisco IOS HTTP Server Vulnerability (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- 20000426 Cisco HTTP possible bug: (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 1302 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 1154 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .