CVE-2020-17530

critical

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.

References

https://www.oracle.com/security-alerts/cpuoct2021.html

https://www.oracle.com/security-alerts/cpujan2022.html

https://www.oracle.com/security-alerts/cpujan2021.html

https://www.oracle.com/security-alerts/cpuapr2022.html

https://www.oracle.com/security-alerts/cpuApr2021.html

https://www.oracle.com//security-alerts/cpujul2021.html

https://security.netapp.com/advisory/ntap-20210115-0005/

http://www.openwall.com/lists/oss-security/2022/04/12/6

http://packetstormsecurity.com/files/160721/Apache-Struts-2-Forced-Multi-OGNL-Evaluation.html

http://jvn.jp/en/jp/JVN43969166/index.html

https://www.tenable.com/blog/oracle-april-2021-critical-patch-update-addresses-257-cves-including-zerologon-cve-2020-1472

https://github.com/lr-elaina520/cve-analysis

https://github.com/chengbochuan3/CVE-Apache-Ecosystem

https://github.com/nth347/CVE-2020-17530

https://github.com/keyuan15/CVE-2020-17530

https://github.com/advisories/GHSA-jc35-q369-45pv

https://github.com/fengziHK/CVE-2020-17530-strust2-061

https://github.com/Al1ex/CVE-2020-17530

https://github.com/154802388/CVE-2020-17531

https://github.com/pangyu360es/CVE-2020-17530

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17530

https://cwiki.apache.org/confluence/display/WW/S2-061

Details

Source: Mitre, NVD

Published: 2020-12-11

Updated: 2026-06-17

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.95931

Detections

Analytics