# CVE-2020-17530

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.

- Page: https://www.vulneraibility.com/cve/CVE-2020-17530
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2021-11-03; CISA due date 2022-05-03
- EPSS: 96.25% (percentile 99.9)
- Public exploit code: 1 Metasploit module · 12 GitHub proofs of concept · 1 Nuclei template (first 2020-12-09)
- CISA SSVC: exploitation active, automatable yes, technical impact total (assessed 2025-02-06)
- Weakness: CWE-917
- Published: 2020-12-11

## Affected versions

- Apache Software Foundation Apache Struts: affected Struts 2.0.0 - Struts 2.5.25

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://cwiki.apache.org/confluence/display/WW/S2-061
- [advisory] http://jvn.jp/en/jp/JVN43969166/index.html
- [other] https://www.oracle.com/security-alerts/cpujan2021.html
- [other] http://packetstormsecurity.com/files/160721/Apache-Struts-2-Forced-Multi-OGNL-Evaluation.html
- [other] https://security.netapp.com/advisory/ntap-20210115-0005/
- [other] https://www.oracle.com/security-alerts/cpuApr2021.html
- [other] https://www.oracle.com//security-alerts/cpujul2021.html
- [other] https://www.oracle.com/security-alerts/cpuoct2021.html
- [other] https://www.oracle.com/security-alerts/cpujan2022.html
- [other] http://www.openwall.com/lists/oss-security/2022/04/12/6
- [other] https://www.oracle.com/security-alerts/cpuapr2022.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17530

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.