CVE-2018-11776Apache 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:…
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It affects Apache Software Foundation Apache Struts and 8 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Nov 3, 2021; federal agencies had to remediate by May 3, 2022. Treat that date as your deadline.
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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.
- CVSS
- 8.1 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Added to CISA KEV Nov 3, 2021; federal remediation due May 3, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 99.99% (percentile 100)
- Assigned by
- apache
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Apache Software Foundation Apache Struts apache_software_foundation:apache_struts (from the name) | 2.3 to 2.3.34; 2.5 to 2.5.16 | CNA record |
apache struts apache:struts | from 2.0.4 before 2.3.35; from 2.5.0 before 2.5.17 | NVD |
netapp active_iq_unified_manager netapp:active_iq_unified_manager | from 7.3; from 9.5 | NVD |
netapp oncommand_insight netapp:oncommand_insight | all versions | NVD |
netapp oncommand_workflow_automation netapp:oncommand_workflow_automation | all versions | NVD |
netapp snapcenter netapp:snapcenter | all versions | NVD |
oracle communications_policy_management oracle:communications_policy_management | before 12.5.0 | NVD |
oracle enterprise_manager_base_platform oracle:enterprise_manager_base_platform | 13.3.0.0; 13.4.0.0 | NVD |
oracle mysql_enterprise_monitor oracle:mysql_enterprise_monitor | through 3.4.9.4237; from 4.0.0 through 4.0.6.5281; from 8.0.0 through 8.0.2.8191 | NVD |
References
- http://www.securitytracker.com/id/1041888vdb-entry, broken-link, third-party-advisory
- https://www.exploit-db.com/exploits/45367/exploit, third-party-advisory, vdb-entry
- https://www.exploit-db.com/exploits/45262/exploit, third-party-advisory, vdb-entry
- http://www.securityfocus.com/bid/105125vdb-entry, broken-link, third-party-advisory
- http://www.securitytracker.com/id/1041547vdb-entry, broken-link, third-party-advisory
- https://www.exploit-db.com/exploits/45260/exploit, third-party-advisory, vdb-entry
- https://lists.apache.org/thread.html/r6d03e45b81eab03580cf7f8bb51cb3e9a1b10a2cc0c6a2d3cc92ed0c%40%3Cannounce.apache.org%3Emailing-list
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.htmlpatch, third-party-advisory
- https://www.oracle.com/security-alerts/cpujul2020.htmlthird-party-advisory
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.htmlpatch, third-party-advisory
- https://security.netapp.com/advisory/ntap-20181018-0002/third-party-advisory
- https://cwiki.apache.org/confluence/display/WW/S2-057issue-tracking, third-party-advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0012third-party-advisory
- http://www.oracle.com/technetwork/security-advisory/alert-cve-2018-11776-5072787.htmlpatch, third-party-advisory
- https://lgtm.com/blog/apache_struts_CVE-2018-11776exploit, third-party-advisory
- https://security.netapp.com/advisory/ntap-20180822-0001/third-party-advisory
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2018-005.txtbroken-link, mailing-list, third-party-advisory
- https://github.com/hook-s3c/CVE-2018-11776-Python-PoCexploit, third-party-advisory
- http://packetstormsecurity.com/files/172830/Apache-Struts-Remote-Code-Execution.htmlthird-party-advisory, vdb-entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-11776us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.