HIGH CISA KEV

CVE-2018-11776

CVSS v3

8.1

HIGH

EPSS Score

94.4%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

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.

CISA Known Exploited Vulnerability

Date Added
11/3/2021
Patch Due Date
5/3/2022
Ransomware Use
Unknown

Technical details

Published
8/22/2018

Frequently asked questions

What is CVE-2018-11776?

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.

Is CVE-2018-11776 actively exploited?

Yes. CVE-2018-11776 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 5/3/2022.

What is the CVSS score for CVE-2018-11776?

CVE-2018-11776 has a CVSS v3 base score of 8.1 (HIGH severity).

Is CVE-2018-11776 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.