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Who should read this

All Struts 2 developers and users

Impact of vulnerability

A DoS attack is possible when using outdated XStream library with the Struts REST plugin

Maximum security rating

Medium

Recommendation

Upgrade to Struts 2.5.13 or Struts 2.3.34

Affected Software

Struts 2.31.7 6 - Struts 2.3.33,

Struts 2.5 - Struts 2 2.5.12

Reporter

Huijun Chen, Xiaolong Zhu

CVE Identifier

CVE-2017-9793

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When using Maven, you can exclude the XStream library and use the latest 1.4.10 version. In other case replace the XStream jar in your final distribution package.