CVE-2017-9805: Apache Struts Deserialization of Untrusted Data Vulnerability

CISA Known Exploited Vulnerability (KEV)

Description

Apache Struts REST Plugin uses an XStreamHandler with an instance of XStream for deserialization without any type filtering, which can lead to remote code execution when deserializing XML payloads.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2017-9805

Weakness behind it

CISA records this vulnerability as an instance of CWE-502. 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-2017-9805
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog