Skip to page content

AEGLIX MIND

Intelligence for Africa and the Gulf

AEGLIX vulnerability intelligence

CVE-2012-0391

CRITICAL · CVSS 9.8 · Analyzed

Published: 2012-01-08 · Updated: 2026-06-16 · Source: NVD

Vulnerability overview

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.

Severity and scoring

CVSS score
9.8 · CRITICAL
CVSS version
3.1
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-94

CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.

Known exploitation and remediation

Listed in CISA’s Known Exploited Vulnerabilities catalog.

Affected product
Apache · Struts 2
Added to catalog
2022-01-21
Required action
Apply updates per vendor instructions.
CISA remediation due date
2022-07-21

CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.

Verify affected versions and patch availability in the vendor advisory before making changes.

Affected products and versions

  • cpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*

    Before (exclusive): 2.2.3.1

These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.

Advisories and references

Explore official sources

Read the official NVD record ↗

Explore the CISA catalog ↗

Back to CVE intelligence