CVE-2011-3923

Exp

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

Published: 2019-11-01 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-3923 is rated High Exploit Risk (88.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 91.05%, 100th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). 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-2011-3923

EDB-ID Source Kind Published Link
24874 exploit_db edb 2013-03-22 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-3923

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 2026-03-17 91.43% 91.05% -0.37%
2 2026-03-04 91.05% 91.43% +0.37%
3 2026-01-11 — 91.05% —

Full EPSS history (23 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-3923

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2011-3923

GitHub Security Advisory for CVE-2011-3923

GHSA-j68f-8h6p-9h5q · Severity: critical · Ecosystem: maven — Struts ParameterInterceptor vulnerability allows remote command execution

OS Trackers for CVE-2011-3923

vendor priority summary link
ubuntu medium CVE-2011-3923 medium priority: Ubuntu including 2 source packages (libspring-2.5-java, libstruts1.2-java), 32 status rows across 16 suites (artful, bionic, cosmic, disco, lucid, precise, quantal, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 24, ignored 6, needs-triage 2. https://ubuntu.com/security/CVE-2011-3923

Affected software / configurations for CVE-2011-3923

Vendor Product Version Raw CPE
apache struts >= 2.0.0, < 2.3.1.2 cpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
redhat jboss_enterprise_web_server 1.0.0 cpe:2.3:a:redhat:jboss_enterprise_web_server:1.0.0:*:*:*:*:*:*:*

References for CVE-2011-3923

cvelogic Threat Intelligence