CVE-2017-12933 is a critical buffer over-read vulnerability affecting PHP versions before 5.6.31, 7.0.x before 7.0.21, and 7.1.x before 7.1.7, specifically within the finish_nested_data function during untrusted data unserialization. This flaw carries a CVSS v3 score of 9.8 (Critical), indicating it is easily exploitable over the network with low complexity and no user interaction, potentially leading to high impact on confidentiality, integrity, and availability. Despite its severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.6.30CPE matchmatch criteria | cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | ||
7.0.0CPE matchmatch criteria | cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:* | ||
7.0.1CPE matchmatch criteria | cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:* | ||
7.0.2CPE matchmatch criteria | cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:* | ||
7.0.3CPE matchmatch criteria | cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.