{"id":"CVE-2021-24027","aliases":["EUVD-2021-10947","GHSA-rr7p-xgf7-grw4"],"status":"published","title":"A cache configuration issue prior to WhatsApp for Android v2.21.4.18 and WhatsApp Business for...","description":"A cache configuration issue prior to WhatsApp for Android v2.21.4.18 and WhatsApp Business for Android v2.21.4.18 may have allowed a third party with access to the device’s external storage to read cached TLS material.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.03805,"percentile":0.90157,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-524","CWE-668"],"published":"2021-04-06T16:45:15Z","modified":"2026-06-17T03:39:11Z","exploits":[{"source":"pocgithub","id":"CENSUS/whatsapp-mitd-mitm","title":"CENSUS/whatsapp-mitd-mitm","date":"2021-03-11","url":"https://github.com/CENSUS/whatsapp-mitd-mitm"}],"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-2021-24027"},{"url":"https://github.com/advisories/GHSA-rr7p-xgf7-grw4"}],"sources":{"cve":[{"id":"CVE-2021-24027","description":"A cache configuration issue prior to WhatsApp for Android v2.21.4.18 and WhatsApp Business for Android v2.21.4.18 may have allowed a third party with access to the device’s external storage to read cached TLS material.","status":"published","published":"2021-04-06T16:45:15Z","modified":"2024-08-03T19:21:17.148Z","cwes":["CWE-524"],"updated_at":"2026-11-02T14:33:05.000797Z"}],"euvd":[{"id":"EUVD-2021-10947","description":"A cache configuration issue prior to WhatsApp for Android v2.21.4.18 and WhatsApp Business for Android v2.21.4.18 may have allowed a third party with access to the device’s external storage to read cached TLS material.","status":"published","published":"2021-04-06T16:45:15Z","modified":"2024-08-03T19:21:17Z","updated_at":"2026-11-03T03:24:59.661237Z"}],"ghsa":[{"id":"GHSA-rr7p-xgf7-grw4","title":"A cache configuration issue prior to WhatsApp for Android v2.21.4.18 and WhatsApp Business for...","description":"A cache configuration issue prior to WhatsApp for Android v2.21.4.18 and WhatsApp Business for Android v2.21.4.18 may have allowed a third party with access to the device’s external storage to read cached TLS material.","status":"published","published":"2022-05-24T22:28:57Z","modified":"2023-01-28T05:01:49Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-668"],"updated_at":"2026-11-02T14:43:38.928763Z"}],"nvd":[{"id":"CVE-2021-24027","description":"A cache configuration issue prior to WhatsApp for Android v2.21.4.18 and WhatsApp Business for Android v2.21.4.18 may have allowed a third party with access to the device’s external storage to read cached TLS material.","status":"published","published":"2021-04-06T17:15:12.977Z","modified":"2026-06-17T03:39:11.11Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-524"],"updated_at":"2026-11-02T14:06:51.610648Z"}]}}