CVE-2012-0393

Struts vulnerability

CVSS

6.4

EPSS

38.3%

EPSS pct

98th

Exploited

No known

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.

Affected vendor

Apache

Affected product

Struts

CVSS vector

AV:N/AC:L/Au:N/C:N/I:P/A:P

Weakness type (CWE)

CWE-264 — Permissions, Privileges, and Access Controls

Published

2012-01-08

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to integrity, partial impact to availability.

Its EPSS score of 38.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2012-0393

Confirm whether Apache Struts is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2012-0393.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2012-0393

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2012-0393 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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