CVE-2003-0647 EXPLOIT
7.5
HIGH · CVSS 2.0 · EPSS 5.9% (pctl 93)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 7.5 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 5.93% — more likely to be exploited than 93% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2003-08-27 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| cisco | ios |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Cisco IOS 12.x/11.x - HTTP Remote Integer Overflow | 2003-08-10 |
References
→ the Explorer · watch your stack · NVD