CVE-2020-17530
CRITICAL9.8⚠ KEVEPSS 94.4%Remote code execution in Apache Struts
Published: 2/9/2022Modified: 10/22/2025Added to CISA KEV: 11/3/2021
Description
Forced OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution.
Affected packages (1)
- Maven/org.apache.struts:struts2-core>= 2.0.0, < 2.5.26
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H |
References (14)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2020-17530
- PATCHhttps://github.com/apache/struts
- WEBhttp://jvn.jp/en/jp/JVN43969166/index.html
- WEBhttp://packetstormsecurity.com/files/160721/Apache-Struts-2-Forced-Multi-OGNL-Evaluation.html
- WEBhttps://cwiki.apache.org/confluence/display/WW/S2-061
- WEBhttps://security.netapp.com/advisory/ntap-20210115-0005
- WEBhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17530
- WEBhttps://www.oracle.com/security-alerts/cpuApr2021.html
- WEBhttps://www.oracle.com/security-alerts/cpuapr2022.html
- WEBhttps://www.oracle.com/security-alerts/cpujan2021.html
- WEBhttps://www.oracle.com/security-alerts/cpujan2022.html
- WEBhttps://www.oracle.com//security-alerts/cpujul2021.html
- WEBhttps://www.oracle.com/security-alerts/cpuoct2021.html
- WEBhttp://www.openwall.com/lists/oss-security/2022/04/12/6