How severe is CVE-2012-0393?

CVE-2012-0393 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2012-0393 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 38% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0393?

CVE-2012-0393 affects Apache Struts. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-0393?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-0393 published?

CVE-2012-0393 was published on 2012-01-08 and last updated on 2026-06-16.

CVE-2012-0393

CVE-2012-0393 is a medium-severity vulnerability in Apache Struts with a CVSS 2.0 base score of 6.4. Its EPSS exploit-prediction score of 38% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 38% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Apache Struts
Published: 2012-01-08
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2012-0393?: 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.
How severe is CVE-2012-0393?: CVE-2012-0393 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2012-0393 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 38% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0393?: CVE-2012-0393 affects Apache Struts. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-0393?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-0393 published?: CVE-2012-0393 was published on 2012-01-08 and last updated on 2026-06-16.

References

Affected products (1)

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

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