CVE-2021-31805

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-917

Affected software

No affected versions have been published.

Timeline

Published: Apr 12, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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