CVE-2011-3923

CRITICALNVD 9.89.8—Weaponized

9.8

Apache Struts before 2.3.1.2 allows remote attackers to bypass security protections in the ParameterInterceptor class and execute arbitrary commands.

CVSS v3: 9.8
EG Score: 9.8(high)
EPSS: 99.7%
KEV: Not listed

Published

November 1, 2019

Last Modified

November 21, 2024

References (14)

chrome-cve-admin@googlehttp://seclists.org/fulldisclosure/2014/Jul/38
chrome-cve-admin@googlehttp://www.exploit-db.com/exploits/24874
chrome-cve-admin@googlehttp://www.securityfocus.com/bid/51628
chrome-cve-admin@googlehttp://www.securitytracker.com/id?1026575
chrome-cve-admin@googlehttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-3923
chrome-cve-admin@googlehttps://exchange.xforce.ibmcloud.com/vulnerabilities/72585
chrome-cve-admin@googlehttps://security-tracker.debian.org/tracker/CVE-2011-3923
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2014/Jul/38
af854a3a-2127-422b-91ae-364da2661108http://www.exploit-db.com/exploits/24874
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/51628
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1026575
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-3923
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/72585
af854a3a-2127-422b-91ae-364da2661108https://security-tracker.debian.org/tracker/CVE-2011-3923

Affected Packages

(1 across 1 ecosystem)

Maven(1)

Package	Vulnerable range	Fixed in	Dependents
org.apache.struts:struts2-core	2.0.11 ... 2.3.1.1 (19 versions)	2.3.1.2	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-732Incorrect Permission Assignment for Critical Resource

Data Freshness Timeline

(refreshed 5× in last 7d / 10× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 12:20 UTCEG score recompute
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-24874✓ verified
First seen Mar 22, 2013
Apache Struts - 'ParametersInterceptor' Remote Code Execution (Metasploit)
Open source ↗
Metasploitexploit/multi/http/struts_code_exec_parameters✓ verified
First seen Oct 1, 2011
Apache Struts ParametersInterceptor Remote Code Execution
Open source ↗

Frequently asked(5)

What is CVE-2011-3923?

CVE-2011-3923 is a critical vulnerability published on November 1, 2019. Apache Struts before 2.3.1.2 allows remote attackers to bypass security protections in the ParameterInterceptor class and execute arbitrary commands.

When was CVE-2011-3923 disclosed?

CVE-2011-3923 was first published in the National Vulnerability Database on November 1, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2011-3923 actively exploited?

CVE-2011-3923 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2011-3923?

CVE-2011-3923 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2011-3923?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-3923, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2011-3923

Explore →

Is Your Infrastructure Affected by CVE-2011-3923?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2011-3923

📅 Published

🔄 Last Modified

🔗 References (14)