CVE-2002-2251 describes a critical buffer overflow vulnerability in the changevalue function of libcgi.h within Marcos Luiz Onisto Lib CGI 0.1. This flaw allows unauthenticated remote attackers to execute arbitrary code by supplying an excessively long argument. With a CVSS score of 10.0, it presents a severe risk, enabling complete compromise of confidentiality, integrity, and availability with low attack complexity. While not listed on the KEV catalog, public exploit code exists (EDB-22049), though there is no evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
0.1CPE matchmatch criteria | cpe:2.3:a:marcos_luiz_onisto:lib_cgi:0.1:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.