Vulnerability in Telegram

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.023 (82.8th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-15514: held from 0.023 to 0.023.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-15514?
CVE-2019-15514 is a medium-severity vulnerability in Telegram. CVSS score: 5.3/10. Published 2019-08-23.
How severe is CVE-2019-15514?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2019-15514 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.