CVE-2003-1321 EXPLOIT
7.5
HIGH · CVSS 2.0 · EPSS 4.5% (pctl 91)
Patch early
A public exploit exists.
Description
Buffer overflow in Avant Browser 8.02 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long URL in an HTTP request.
Scoring
| CVSS | 7.5 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 4.47% — more likely to be exploited than 91% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2003-12-31 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| avant force | avant browser |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Avant Browser 8.0.2 - 'HTTP Request' Buffer Overflow (PoC) | 2003-08-21 |
References
→ the Explorer · watch your stack · NVD