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CVE-2018-11776Apache Struts Remote Code Execution Vulnerability

Apache Struts versions 2.3 to 2.3.34 and 2.5 to 2.5.16 suffer from possible Remote Code Execution when alwaysSelectFullNamespace is true (either by user or a plugin like Convention Plugin) and then: results are used with no namespace and in same time, its upper package have no or wildcard namespace and similar to results, same possibility when using url tag which doesn't have value and action set and in same time, its upper package have no or wildcard namespace.

8.1 HIGHEPSS 99.99%⚡ Known Exploited (CISA KEV)NVD: Analyzed

OverviewAffected ProductsReferences
NVD CVE.org

Overview

Severity

ScoreSeverityVersionVector String
8.1HIGH3.1NVDCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3HIGH2.0NVDAV:N/AC:M/Au:N/C:C/I:C/A:C

CISA required action

⚡ Known exploited · remediation due May 3, 2022

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Details

CVE ID
CVE-2018-11776
Status
Analyzed
Assigner (CNA)
apache
Published
Aug 22, 2018
Last modified
2026-06-17 01:36 UTC
Weaknesses

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 08:21 UTC.