{"cve":{"cve_id":"CVE-2021-20634","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00722,"epss_percentile":0.49157,"epss_as_of":"2026-06-23","description":"Improper access control vulnerability in Custom App of Cybozu Office 10.0.0 to 10.8.4 allows authenticated attackers to bypass access restriction and obtain the date of Custom App via unspecified vectors.","published_at":"2021-03-18T00:56:03Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["https://jvn.jp/en/jp/JVN45797538/index.html","https://kb.cybozu.support/article/36865/"],"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":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:14:54.602555Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"cybozu-inc.","vendor_name":"Cybozu, Inc.","product_slug":"cybozu-office","product_name":"Cybozu Office","version_start":"10.0.0 to 10.8.4","version_start_inclusive":true,"version_end":"10.0.0 to 10.8.4","version_end_inclusive":true,"cpe23_uri":"cve5:cybozu-inc.:cybozu-office:10.0.0 to 10.8.4:10.0.0 to 10.8.4"}],"exploit_refs":[],"news":[],"references":[{"url":"https://jvn.jp/en/jp/JVN45797538/index.html","source_type":"MISC","tags":[]},{"url":"https://kb.cybozu.support/article/36865/","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2021-03-18T00:56:03Z","label":"CVE published","source":null}]}