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CRITICAL SEVERITY
CVE-2012-0391 Apache · Struts 2

Apache Struts 2 Improper Input Validation Vulnerability

Technical Severity

CVSS v3.1 Metrics

CRITICAL
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

89.52 %
Predictive Probability
Percentile Rank
99.5 th

Documented as more likely to be exploited than 99.5% of known CVEs.

Detection Date

Jan 21, 2022

Remediation Due

Jul 21, 2022

CISA Catalog Active

Threat Analysis

The ExceptionDelegator component in Apache Struts 2 before 2.2.3.1 contains an improper input validation vulnerability that allows for remote code execution.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence