CVE-2012-0391

Known Exploited Public Exploit

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.

Categories

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 91.29% Top 5%
KEV Since 
Vendor Advisory secunia.com Vendor Advisory apache.org Vendor Advisory apache.org Vendor Advisory apache.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.exploit-db.com/exploits/18329 exploit
http://archives.neohapsis.com/archives/bugtraq/2012-01/0031.html broken link mailing list exploit
http://struts.apache.org/2.x/docs/version-notes-2311.html vendor advisory
http://struts.apache.org/2.x/docs/s2-008.html vendor advisory
https://www.sec-consult.com/files/20120104-0_Apache_Struts2_Multiple_Critical_Vulnerabilities.txt exploit broken link
https://issues.apache.org/jira/browse/WW-3668 vendor advisory
http://secunia.com/advisories/47393 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-0391?
CVE-2012-0391 has been scored as a critical severity vulnerability.
How to fix CVE-2012-0391?
To fix CVE-2012-0391, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-0391 being actively exploited in the wild?
It is confirmed that CVE-2012-0391 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~91% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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