CVE-2016-5431 describes a key confusion/algorithm substitution vulnerability in the JWS component of the PHP JOSE Library by Gree Inc. prior to version 2.2.1, allowing attackers to bypass signature verification through crafted tokens. This vulnerability carries a CVSS v3.1 score of 7.5 (HIGH), indicating a network-based attack with low complexity and high integrity impact, but no confidentiality or availability impact. Despite its high severity, there is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.2.1CPE matchmatch criteria | cpe:2.3:a:php_jose_project:php_jose:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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.