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CVE-2020-17530

CRITICAL9.8
CISA KEV

Published 2020-12-11 · Updated 2026-06-17 · Source security@apache.org

Summary

CVE-2020-17530 is a critical-severity (CVSS 9.8) vulnerability in Apache Struts. CISA added it to the Known Exploited Vulnerabilities catalog on November 3, 2021, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by May 3, 2022. CISA does not currently list it as used in ransomware campaigns. Apache has 41 vulnerabilities in the KEV catalog, 8 of them linked to ransomware.

All 41 known-exploited Apache vulnerabilities →

Description

Forced OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution. Affected software : Apache Struts 2.0.0 - Struts 2.5.25.

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

CWE-917CWE-917

CISA Known-Exploited Vulnerability

Product: Apache — Struts

Name: Apache Struts Remote Code Execution Vulnerability

Date added: 2021-11-03 · Due: 2022-05-03

Required action: Apply updates per vendor instructions.

View on NVD