VULNERABILITY INTELLIGENCE

CVE-2013-2251

CVSS score9.8 CRITICAL
EPSS probability100.00%
CISA KEVKnown exploited vulnerability
Published2013-07-20
Last modified2026-06-16
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Known Exploited Vulnerability

Apache Struts Improper Input Validation Vulnerability

Vendor / product: Apache / Struts

Description

Apache Struts 2.0.0 through 2.3.15 allows remote attackers to execute arbitrary OGNL expressions via a parameter with a crafted (1) action:, (2) redirect:, or (3) redirectAction: prefix.

Weakness classification

  • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Primary references