CVE-2012-0393

Exp

The ParameterInterceptor component in Apache Struts before 2.3.1.1 does not prevent access to public constructors, which allows remote attackers to create or overwrite arbitrary files via a crafted parameter that triggers the creation of a Java object.

Published: 2012-01-08 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-0393 is rated High Exploit Risk (80.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 73.63%, 99th percentile). Core evidence: 4 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +15.09% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2012-0393

EDB-ID Source Kind Published Link
18329 exploit_db edb 2012-01-06 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2012-0393

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-19 58.54% 73.63% +15.09%
2 2026-03-17 58.82% 58.54% -0.28%
3 2026-03-04 58.82%

Full EPSS history (32 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-0393

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 4.9 [email protected]

Weakness enumeration for CVE-2012-0393

GitHub Security Advisory for CVE-2012-0393

GHSA-hxqq-w4mr-mc62 · Severity: medium · Ecosystem: maven — Apache Struts's ParameterInterceptor component does not prevent access to public constructors

OS Trackers for CVE-2012-0393

vendor priority summary link
redhat medium https://access.redhat.com/security/cve/CVE-2012-0393
ubuntu medium CVE-2012-0393 medium priority: Ubuntu including 1 source packages (libstruts1.2-java), 20 status rows across 20 suites (artful, bionic, cosmic, hardy, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 10, DNE 9, needs-triage 1. https://ubuntu.com/security/CVE-2012-0393

Affected software / configurations for CVE-2012-0393

Vendor Product Version Raw CPE
apache struts >= 2.1.0, < 2.3.1.1 cpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*

References for CVE-2012-0393

cvelogic Threat Intelligence