{"id":"CVE-2021-24035","aliases":["EUVD-2021-10954","GHSA-rrv8-x3gg-xhjg"],"status":"published","title":"A lack of filename validation when unzipping archives prior to WhatsApp for Android v2.21.8.13...","description":"A lack of filename validation when unzipping archives prior to WhatsApp for Android v2.21.8.13 and WhatsApp Business for Android v2.21.8.13 could have allowed path traversal attacks that overwrite WhatsApp files.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01134,"percentile":0.6675,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22","CWE-23"],"published":"2021-06-11T03:35:10Z","modified":"2026-06-17T03:39:11Z","products":[{"vendor":"facebook","product":"whatsapp business for android"},{"vendor":"facebook","product":"whatsapp for android"},{"vendor":"whatsapp","product":"whatsapp"},{"vendor":"whatsapp","product":"whatsapp_business"}],"references":[{"url":"https://www.whatsapp.com/security/advisories/2021/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24035"},{"url":"https://github.com/advisories/GHSA-rrv8-x3gg-xhjg"}],"sources":{"cve":[{"id":"CVE-2021-24035","description":"A lack of filename validation when unzipping archives prior to WhatsApp for Android v2.21.8.13 and WhatsApp Business for Android v2.21.8.13 could have allowed path traversal attacks that overwrite WhatsApp files.","status":"published","published":"2021-06-11T03:35:10Z","modified":"2024-08-03T19:21:17.185Z","cwes":["CWE-23"],"updated_at":"2026-11-02T14:33:05.000797Z"}],"euvd":[{"id":"EUVD-2021-10954","description":"A lack of filename validation when unzipping archives prior to WhatsApp for Android v2.21.8.13 and WhatsApp Business for Android v2.21.8.13 could have allowed path traversal attacks that overwrite WhatsApp files.","status":"published","published":"2021-06-11T03:35:10Z","modified":"2024-08-03T19:21:17Z","updated_at":"2026-11-03T03:24:59.661237Z"}],"ghsa":[{"id":"GHSA-rrv8-x3gg-xhjg","title":"A lack of filename validation when unzipping archives prior to WhatsApp for Android v2.21.8.13...","description":"A lack of filename validation when unzipping archives prior to WhatsApp for Android v2.21.8.13 and WhatsApp Business for Android v2.21.8.13 could have allowed path traversal attacks that overwrite WhatsApp files.","status":"published","published":"2022-05-24T19:05:12Z","modified":"2023-01-29T05:06:59Z","cwes":["CWE-22"],"updated_at":"2026-11-02T14:46:07.768849Z"}],"nvd":[{"id":"CVE-2021-24035","description":"A lack of filename validation when unzipping archives prior to WhatsApp for Android v2.21.8.13 and WhatsApp Business for Android v2.21.8.13 could have allowed path traversal attacks that overwrite WhatsApp files.","status":"published","published":"2021-06-11T04:15:08.887Z","modified":"2026-06-17T03:39:11.85Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-23","CWE-22"],"updated_at":"2026-11-02T14:06:54.439974Z"}]}}