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.

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.

EPSS: 0.023 (81.5th percentile) — read the EPSS interpretation.

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.

Affected products

Telegram — versions 5.10.0
N/a — versions n/a

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

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.