CVE-2018-11776: Apache Struts Remote Code Execution Vulnerability

CISA Known Exploited Vulnerability (KEV)

Description

Apache Struts contains a vulnerability that allows for remote code execution under two circumstances. One, where the alwaysSelectFullNamespace option is true and the value isn't set for a result defined in underlying configurations and in same time, its upper package configuration have no or wildcard namespace. Or, using URL tag which doesn't have value and action set and in same time, its upper package configuration have no or wildcard namespace.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2018-11776

Weakness behind it

CISA records this vulnerability as an instance of CWE-20. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-11776
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog