{"cve":{"cve_id":"CVE-2021-41256","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":0.01077,"epss_percentile":0.6068,"epss_as_of":"2026-06-23","description":"nextcloud news-android is an Android client for the Nextcloud news/feed reader app. In affected versions the Nextcloud News for Android app has a security issue by which a malicious application installed on the same device can send it an arbitrary Intent that gets reflected back, unintentionally giving read and write access to non-exported Content Providers in Nextcloud News for Android. Users should upgrade to version 0.9.9.63 or higher as soon as possible.","published_at":"2021-11-30T20:55:09Z","last_modified_at":null,"cvss_v3_score":5.8,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N","cvss_v3_severity":"MEDIUM","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":["CWE-829"],"nvd_references":["https://github.com/nextcloud/news-android/security/advisories/GHSA-2q9v-q3cc-h9f3","https://github.com/nextcloud/news-android/commit/05449cb666059af7de2302df9d5c02997a23df85","https://github.com/nextcloud/news-android/blob/master/security/GHSL-2021-1033_Nextcloud_News_for_Android.md"],"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":"2026-06-28T23:16:12.770802Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"H","value_label":"High"},{"metric":"UI","name":"User Interaction","value":"R","value_label":"Required"},{"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":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"nextcloud","vendor_name":"nextcloud","product_slug":"news-android","product_name":"news-android","version_start":"< 0.9.9.63","version_start_inclusive":true,"version_end":"< 0.9.9.63","version_end_inclusive":true,"cpe23_uri":"cve5:nextcloud:news-android:< 0.9.9.63:< 0.9.9.63"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/nextcloud/news-android/security/advisories/GHSA-2q9v-q3cc-h9f3","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/nextcloud/news-android/commit/05449cb666059af7de2302df9d5c02997a23df85","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/nextcloud/news-android/blob/master/security/GHSL-2021-1033_Nextcloud_News_for_Android.md","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2021-11-30T20:55:09Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:19:34.559284Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:19:34.559284Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:19:34.559284Z","label":"CVSS score revised","source":"cvelistv5"}]}