{"id":"CVE-2019-17191","aliases":["EUVD-2019-7623","GHSA-hpqc-h2q8-cmcj"],"status":"published","title":"The Signal Private Messenger application before 4.47.7 for Android allows a caller to force a...","description":"The Signal Private Messenger application before 4.47.7 for Android allows a caller to force a call to be answered, without callee user interaction, via a connect message. The existence of the call is noticeable to the callee; however, the audio channel may be open before the callee can block eavesdropping.","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":"2026-11-08","score":0.01755,"percentile":0.78089,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-863"],"published":"2019-10-05T01:15:51Z","modified":"2026-10-24T10:30:15Z","products":[{"vendor":"signal","product":"private_messenger"}],"references":[{"url":"https://news.ycombinator.com/item?id=21161432","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://twitter.com/moxie/status/1180261210341511168","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1943","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-17191"},{"url":"https://github.com/advisories/GHSA-hpqc-h2q8-cmcj"}],"sources":{"cve":[{"id":"CVE-2019-17191","description":"The Signal Private Messenger application before 4.47.7 for Android allows a caller to force a call to be answered, without callee user interaction, via a connect message. The existence of the call is noticeable to the callee; however, the audio channel may be open before the callee can block eavesdropping.","status":"published","published":"2019-10-05T01:15:51Z","modified":"2024-08-05T01:33:17.289Z","updated_at":"2026-11-02T14:20:24.989116Z"}],"euvd":[{"id":"EUVD-2019-7623","description":"The Signal Private Messenger application before 4.47.7 for Android allows a caller to force a call to be answered, without callee user interaction, via a connect message. The existence of the call is noticeable to the callee; however, the audio channel may be open before the callee can block eavesdropping.","status":"published","published":"2019-10-05T01:15:51Z","modified":"2024-08-05T01:33:17Z","updated_at":"2026-11-03T02:40:30.885546Z"}],"ghsa":[{"id":"GHSA-hpqc-h2q8-cmcj","title":"The Signal Private Messenger application before 4.47.7 for Android allows a caller to force a...","description":"The Signal Private Messenger application before 4.47.7 for Android allows a caller to force a call to be answered, without callee user interaction, via a connect message. The existence of the call is noticeable to the callee; however, the audio channel may be open before the callee can block eavesdropping.","status":"published","published":"2022-05-24T16:57:55Z","modified":"2023-01-28T05:07:27Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:44:31.607605Z"}],"nvd":[{"id":"CVE-2019-17191","description":"The Signal Private Messenger application before 4.47.7 for Android allows a caller to force a call to be answered, without callee user interaction, via a connect message. The existence of the call is noticeable to the callee; however, the audio channel may be open before the callee can block eavesdropping.","status":"published","published":"2019-10-05T02:15:11.3Z","modified":"2026-06-17T02:23:26.81Z","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-863"],"updated_at":"2026-11-02T14:05:31.019577Z"}],"osv":[{"id":"CVE-2019-17191","description":"The Signal Private Messenger application before 4.47.7 for Android allows a caller to force a call to be answered, without callee user interaction, via a connect message. The existence of the call is noticeable to the callee; however, the audio channel may be open before the callee can block eavesdropping.","status":"published","published":"2019-10-05T02:15:11.3Z","modified":"2026-10-24T10:30:15.076472087Z","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"}],"updated_at":"2026-11-02T15:44:11.673963Z"}]}}