Auth bypass in Signal Private_messenger
CVE-2019-17191
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…
Vulnerability class: Broken Access Control
EPSS: 0.018 (75.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Signal Private_messenger
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-17191?
- CVE-2019-17191 is a high-severity vulnerability in Signal Private_messenger, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2019-10-05.
- How severe is CVE-2019-17191?
- High severity. CVSS v3 base score is 7.5 out of 10.