CVE-2006-4020 is a buffer over-read vulnerability in PHP versions 5.1.4 and earlier, and 4.4.3 and earlier, specifically within the sscanf function. This flaw allows context-dependent attackers to execute arbitrary code by manipulating argument swapping, leading to an out-of-bounds array index. With a CVSS score of 4.6, it is considered a local vulnerability with low attack complexity, potentially leading to partial confidentiality, integrity, and availability impacts. While there is no evidence of active exploitation, a local buffer overflow exploit for this vulnerability is available on ExploitDB. Community discussion and media coverage for this CVE are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.0CPE matchmatch criteria | cpe:2.3:a:php:php:4.0:*:*:*:*:*:*:* | ||
4.0CPE matchmatch criteria | cpe:2.3:a:php:php:4.0:beta_4_patch1:*:*:*:*:*:* | ||
4.0CPE matchmatch criteria | cpe:2.3:a:php:php:4.0:beta1:*:*:*:*:*:* | ||
4.0CPE matchmatch criteria | cpe:2.3:a:php:php:4.0:beta2:*:*:*:*:*:* | ||
4.0CPE matchmatch criteria | cpe:2.3:a:php:php:4.0:beta3:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:L/AC:L/Au:N/C:P/I:P/A:P
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.