# CVE-2020-17530: Apache Struts Remote Code Execution Vulnerability

> CVE-2020-17530: Apache Struts Remote Code Execution Vulnerability. CVSS 9.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2020-17530
Last updated: 2025-10-21T23:35:31Z

- Published: 2020-12-11 01:11 UTC · Updated: 2025-10-21 23:35 UTC · Assigner: apache
- CVSS: 9.8 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS: 96.3%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2021-11-03, federal due date 2022-05-03, ransomware use: Unknown

## 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.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Apache Software Foundation: Apache Struts

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2020-17530)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2020-17530)
- [http://jvn.jp/en/jp/JVN43969166/index.html](http://jvn.jp/en/jp/JVN43969166/index.html)
- [http://packetstormsecurity.com/files/160721/Apache-Struts-2-Forced-Multi-OGNL-Evaluation.html](http://packetstormsecurity.com/files/160721/Apache-Struts-2-Forced-Multi-OGNL-Evaluation.html)
- [https://cwiki.apache.org/confluence/display/WW/S2-061](https://cwiki.apache.org/confluence/display/WW/S2-061)
- [https://security.netapp.com/advisory/ntap-20210115-0005/](https://security.netapp.com/advisory/ntap-20210115-0005/)
- [https://www.oracle.com/security-alerts/cpuApr2021.html](https://www.oracle.com/security-alerts/cpuApr2021.html)
- [https://www.oracle.com/security-alerts/cpuapr2022.html](https://www.oracle.com/security-alerts/cpuapr2022.html)
- [https://www.oracle.com/security-alerts/cpujan2021.html](https://www.oracle.com/security-alerts/cpujan2021.html)
- [https://www.oracle.com/security-alerts/cpujan2022.html](https://www.oracle.com/security-alerts/cpujan2022.html)
- [https://www.oracle.com//security-alerts/cpujul2021.html](https://www.oracle.com//security-alerts/cpujul2021.html)
- [https://www.oracle.com/security-alerts/cpuoct2021.html](https://www.oracle.com/security-alerts/cpuoct2021.html)
- [http://www.openwall.com/lists/oss-security/2022/04/12/6](http://www.openwall.com/lists/oss-security/2022/04/12/6)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2020-17530 · Markdown: https://rewindex.com/cve/CVE-2020-17530.md · JSON: https://rewindex.com/api/v1/cves/CVE-2020-17530 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:06:35.969Z