VulnerabilityAnalyzed
CVE-2012-0391
Apache Struts 2 Improper Input Validation Vulnerability
KEVCRITICAL 9.8EPSS 75.6%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 21 July 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 75.60% probability · 99th percentile
- CISA KEV
- Listed 21 January 2022 · due 21 July 2022
- Weakness
- CWE-94
- Affected
- apache/struts
- Source
- cve@mitre.org
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2012-0391
References
- http://archives.neohapsis.com/archives/bugtraq/2012-01/0031.htmlBroken Link, Exploit
- http://secunia.com/advisories/47393Vendor Advisory
- http://struts.apache.org/2.x/docs/s2-008.htmlVendor Advisory
- http://struts.apache.org/2.x/docs/version-notes-2311.htmlVendor Advisory
- http://www.exploit-db.com/exploits/18329Exploit
- https://issues.apache.org/jira/browse/WW-3668Vendor Advisory
- https://www.sec-consult.com/files/20120104-0_Apache_Struts2_Multiple_Critical_Vulnerabilities.txtBroken Link, Exploit
- http://archives.neohapsis.com/archives/bugtraq/2012-01/0031.htmlBroken Link, Exploit
- http://secunia.com/advisories/47393Vendor Advisory
- http://struts.apache.org/2.x/docs/s2-008.htmlVendor Advisory
- http://struts.apache.org/2.x/docs/version-notes-2311.htmlVendor Advisory
- http://www.exploit-db.com/exploits/18329Exploit
- https://issues.apache.org/jira/browse/WW-3668Vendor Advisory
- https://www.sec-consult.com/files/20120104-0_Apache_Struts2_Multiple_Critical_Vulnerabilities.txtBroken Link, Exploit
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-0391US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.