CVE-2000-0380 in the critical feed json
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 re…
published 2000-04-26 26 y ago modified 2026-06-16 4 mo ago also EUVD-2000-0379
- cvss
- 7.1
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 35.0%
- EPSS 35.0% chance of exploitation in 30 days, percentile 98%
- public exploits
- 2
- Metasploit, Exploit-DB
Summary
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.
Timeline
- First public exploit (Metasploit auxiliary/dos/cisco/ios_http_percentpercent)
- Published
Exploit prediction
35.00% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit auxiliary/dos/cisco/ios_http_percentpercent Cisco IOS HTTP GET /%% Request Denial of Service metasploit auxiliary, normal rank, 2000-04-26
- EDB-19882 Cisco IOS 11.x/12.x - HTTP %% remote, 2000-04-26
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.1 | AV:N/AC:M/Au:N/C:N/I:N/A:C |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
- Technology feeds
References
-
cisco.com
/warp/public/707/ioshttpserver-pub.shtml
vendor-advisory
-
archives.neohapsis.com
/archives/bugtraq/2000-04/0261.html
mailing-list
-
osvdb.org
/1302
vdb-entry
-
securityfocus.com
/bid/1154
vdb-entry
Sources
- CVE List CVE-2000-0380
- NVD CVE-2000-0380
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