CVE-2019-15514

medium

Description

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.

References

https://docs.google.com/document/d/e/2PACX-1vRx2wO2kj0axlQtv2CDSjPGlRKJOHtucvpOKGFKybh2eVVGZqvt_JJv-2Q11NHn5Y4um_F4-bgA6q5v/pub

Details

Source: Mitre, NVD

Published: 2019-08-23

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.11851