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CVE-2021-31805
- CVSS 3.1
- 9.8 critical
- EPSS
- 85%p100
- Published
- ·
- Modified
Description · NVD
The 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.