{"cve":{"cve_id":"CVE-2020-17530","is_kev":true,"kev_date_added":"2021-11-03","kev_vendor_project":"Apache","kev_product":"Struts","kev_vulnerability_name":"Apache Struts Remote Code Execution Vulnerability","kev_short_description":"Forced Object-Graph Navigation Language (OGNL) evaluation in Apache Struts, when evaluated on raw user input in tag attributes, can lead to remote code execution.","kev_required_action":"Apply updates per vendor instructions.","kev_due_date":"2022-05-03","kev_known_ransomware":false,"kev_notes":"https://nvd.nist.gov/vuln/detail/CVE-2020-17530","kev_cwes":["CWE-917"],"epss_score":0.95922,"epss_percentile":0.99864,"epss_as_of":"2026-06-23","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.","published_at":"2020-12-11T01:11:04Z","last_modified_at":null,"cvss_v3_score":9.8,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"CRITICAL","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"active","ssvc_automatable":true,"ssvc_technical_impact":"total","cwes":["CWE-917"],"nvd_references":["https://cwiki.apache.org/confluence/display/WW/S2-061","http://jvn.jp/en/jp/JVN43969166/index.html","https://www.oracle.com/security-alerts/cpujan2021.html","http://packetstormsecurity.com/files/160721/Apache-Struts-2-Forced-Multi-OGNL-Evaluation.html","https://security.netapp.com/advisory/ntap-20210115-0005/","https://www.oracle.com/security-alerts/cpuApr2021.html","https://www.oracle.com//security-alerts/cpujul2021.html","https://www.oracle.com/security-alerts/cpuoct2021.html","https://www.oracle.com/security-alerts/cpujan2022.html","http://www.openwall.com/lists/oss-security/2022/04/12/6","https://www.oracle.com/security-alerts/cpuapr2022.html"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:31.350578Z","updated_at":"2026-06-28T23:13:41.874394Z"},"effective_severity":"CRITICAL","badges":["kev","poc","epss"],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"apache-software-foundation","vendor_name":"Apache Software Foundation","product_slug":"apache-struts","product_name":"Apache Struts","version_start":"Struts 2.0.0 - Struts 2.5.25","version_start_inclusive":true,"version_end":"Struts 2.0.0 - Struts 2.5.25","version_end_inclusive":true,"cpe23_uri":"cve5:apache-software-foundation:apache-struts:Struts 2.0.0 - Struts 2.5.25:Struts 2.0.0 - Struts 2.5.25"}],"exploit_refs":[{"source":"nuclei","kind":"nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-17530.yaml","title":"Apache Struts 2.0.0-2.5.25 - Remote Code Execution","author":"pikpikcu","disclosed_at":null}],"news":[],"references":[{"url":"https://cwiki.apache.org/confluence/display/WW/S2-061","source_type":"MISC","tags":[]},{"url":"http://jvn.jp/en/jp/JVN43969166/index.html","source_type":"MISC","tags":[]},{"url":"https://www.oracle.com/security-alerts/cpujan2021.html","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://packetstormsecurity.com/files/160721/Apache-Struts-2-Forced-Multi-OGNL-Evaluation.html","source_type":"EXPLOIT","tags":["exploit"]},{"url":"https://security.netapp.com/advisory/ntap-20210115-0005/","source_type":"MISC","tags":[]},{"url":"https://www.oracle.com/security-alerts/cpuApr2021.html","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://www.oracle.com//security-alerts/cpujul2021.html","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://www.oracle.com/security-alerts/cpuoct2021.html","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://www.oracle.com/security-alerts/cpujan2022.html","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2022/04/12/6","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://www.oracle.com/security-alerts/cpuapr2022.html","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2020-12-11T01:11:04Z","label":"CVE published","source":null},{"type":"cisa_reported","at":"2021-11-03T00:00:00Z","label":"Added to CISA KEV catalog","source":"kev"},{"type":"poc_available","at":"2026-06-24T00:29:48.638073Z","label":"Public PoC available","source":"nuclei"},{"type":"ssvc_changed","at":"2026-06-24T00:31:28.220836Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:28.220836Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:28.220836Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:28.220836Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:28.220836Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:28.220836Z","label":"CVSS score revised","source":"vulnrichment"}]}