CVE-2021-31805

NameCVE-2021-31805
DescriptionThe fix issued for CVE-2020-17530 was incomplete. So from Apache Struts 2.0.0 to 2.5.29, still some of the tag’s attributes could perform a double evaluation if a developer applied forced OGNL evaluation by using the %{...} syntax. Using forced OGNL evaluation on untrusted user input can lead to a Remote Code Execution and security degradation.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libstruts1.2-javasource(unstable)(not affected)

Notes

- libstruts1.2-java <not-affected> (Vulnerable code not present; fix for CVE-2020-17530 not applied; specific to 2.x)
https://cwiki.apache.org/confluence/display/WW/S2-062

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