Technical Severity
CRITICAL
CVSS v3.1 Metrics
9.8
/ 10
Minimal Risk
Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Likelihood
EPSS Prediction
94.20
%
Predictive Probability
Percentile Rank
99.9
th
Documented as more likely to be exploited than 99.9% of known CVEs.
Detection Date
Feb 15, 2022
Remediation Due
Aug 15, 2022
CISA Catalog Active
Threat Analysis
PHPUnit allows remote attackers to execute arbitrary PHP code via HTTP POST data beginning with a "<?php " substring, as demonstrated by an attack on a site with an exposed /vendor folder, i.e., external access to the /vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php URI.
Remediation Directive
Apply updates per vendor instructions.