VULNERABILITY INTELLIGENCE

CVE-2019-17191

CVSS score7.5 HIGH
EPSS probability1.75%
CISA KEVNot currently listed
Published2019-10-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

Weakness classification

  • CWE-863: Incorrect Authorization

Primary references