CVE-2012-0391

critical Apache ⚠️ CISA KEV — Exploited in the Wild
CVSS v3 Base Score
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
88.3%
Exploitation probability in 30 days
Top 1% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: January 8, 2012 (5240 days ago)
Last Modified: April 22, 2026
Vendor: Apache
Source: NVD

⚠️ CISA Known Exploited Vulnerability

Added to KEV: 2022-01-21
Remediation Due: 2022-07-21 (⚠ 1394d overdue)

Description

The ExceptionDelegator component in Apache Struts before 2.2.3.1 interprets parameter values as OGNL expressions during certain exception handling for mismatched data types of properties, which allows remote attackers to execute arbitrary Java code via a crafted parameter.

CWE

CWE-94

Affected Products

apache struts

References

🔗 archives.neohapsis.com 🔗 secunia.com 🔗 struts.apache.org 🔗 struts.apache.org 🔗 www.exploit-db.com