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Vulnerability record · CVE-2012-4387 · published 5 September 2012

CVE-2012-4387: Apache struts permissions and access controls vulnerability

Apache · Struts

Apache Struts 2.0.0 through 2.3.4 allows remote attackers to cause a denial of service (CPU consumption) via a long parameter name, which is processed as an OGNL expression.

5.0 CVSS 2.0 Medium EPSS 8.1% · top 5.3% CWE-264 · Permissions and access controls
5.0CVSS 2.0 base score
8.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

Description

Apache Struts 2.0.0 through 2.3.4 allows remote attackers to cause a denial of service (CPU consumption) via a long parameter name, which is processed as an OGNL expression.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/50420 Vendor Advisory
http://struts.apache.org/2.x/docs/s2-011.html PatchVendor Advisory
http://www.openwall.com/lists/oss-security/2012/09/01/4
http://www.openwall.com/lists/oss-security/2012/09/01/5
http://www.securityfocus.com/bid/55346
https://exchange.xforce.ibmcloud.com/vulnerabilities/78183
https://issues.apache.org/jira/browse/WW-3860
http://secunia.com/advisories/50420 Vendor Advisory
http://struts.apache.org/2.x/docs/s2-011.html PatchVendor Advisory
http://www.openwall.com/lists/oss-security/2012/09/01/4
http://www.openwall.com/lists/oss-security/2012/09/01/5
http://www.securityfocus.com/bid/55346
https://exchange.xforce.ibmcloud.com/vulnerabilities/78183
https://issues.apache.org/jira/browse/WW-3860

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-4387), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.