Vulnerability Details CVE-2019-15514
The Privacy > Phone Number feature in the Telegram app 5.10 for Android and iOS provides an incorrect indication that the access level is Nobody, because attackers can find these numbers via the Group Info feature, e.g., by adding a significant fraction of a region's assigned phone numbers.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.05
EPSS Ranking 89.3%
CVSS Severity
CVSS v3 Score 5.3
CVSS v2 Score 5.0
References