apache struts CVE-2012-0391 is a vulnerability in Apache Struts
Published on January 8, 2012

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.

NVD

Known Exploited Vulnerability

This Apache Struts 2 Improper Input Validation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. The ExceptionDelegator component in Apache Struts 2 before 2.2.3.1 contains an improper input validation vulnerability which allows for remote code execution.

The following remediation steps are recommended / required by July 21, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2012-0391 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Code Injection Vulnerability?

The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

CVE-2012-0391 has been classified to as a Code Injection vulnerability or weakness.


Products Associated with CVE-2012-0391

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Apache Struts
 

Exploit Probability

EPSS
88.32%
Percentile
99.49%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.