CVE-2020-17530
Apache Struts Remote Code Execution Vulnerability
- Published
- Dec 11, 2020
- Updated
- Oct 21, 2025
- Assigning CNA
- apache
- Evidence observed
- Nov 3, 2021
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.9%
- Model date
- Oct 17, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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.
Sources
struts2/s2-061
Struts2 S2-061 Remote Code Execution Vulnerablity (CVE-2020-17530)
Vulhub vulnerability labsDeclared conditions
- lab image version: vulhub/struts2:2.5.25(struts2/s2-061/docker-compose.yml:services.struts2.image)
http/cves/2020/CVE-2020-17530.yaml
Nuclei TemplatesDeclared conditions
- network: http($.protocol_keys)
- verification: regex($.matchers[*].type)
modules/exploits/multi/http/struts2_multi_eval_ognl.rb
Metasploit Framework modulesDeclared conditions
- platform: Linux,Unix($.exploit_multi/http/struts2_multi_eval_ognl.platform)
- verification: check_declared($.exploit_multi/http/struts2_multi_eval_ognl.check)
Responsible use
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