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Excerpt

Forced OGNL evaluation, when evaluated on raw not validated user input in tag attributes, may lead to remote code execution - same as S2-061 (CVE-2020-17530).


Who should read this

All Struts 2 developers and users

Impact of vulnerability

Possible Remote Code Execution vulnerability

Maximum security rating

Important

Recommendation

Upgrade to Struts 2.5.30 or greater

Affected Software

Struts 2.0.0 - Struts 2.5.29

Reporters

Chris McCown - 0xchrismccown at gmail dot com

CVE Identifier

CVE-2021-31805

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