CVE-2003-0647 json
Buffer overflow in the HTTP server for Cisco IOS 12.2 and earlier allows remote attackers to execute arbitrary code via an extremely long (…
published 2003-08-05 23 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0641
- cvss
- 7.5
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.9%
- EPSS 5.9% chance of exploitation in 30 days, percentile 93%
- public exploits
- 1
- Exploit-DB
Summary
Buffer overflow in the HTTP server for Cisco IOS 12.2 and earlier allows remote attackers to execute arbitrary code via an extremely long (2GB) HTTP GET request.
Patch / fix
Timeline
- Published
- First public exploit (EDB-77)
Exploit prediction
5.93% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-77 Cisco IOS 12.x/11.x - HTTP Remote Integer Overflow remote, 2003-08-10
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Technology feeds
References
-
cisco.com
/warp/public/707/cisco-sn-20030730-ios-2gb-get.shtml
vendor-advisory, patch
-
kb.cert.org
/vuls/id/579324
third-party-advisory, patch, us-government-resource
Sources
- CVE List CVE-2003-0647
- NVD CVE-2003-0647
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.