CVE-2019-15514

VendortelegramProducttelegramDiscoveredAug 23, 2019UpdatedNov 21, 2024

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.

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CVSS v3.1

5.3 MEDIUM

EPSS

2.26%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

Related IOCs

seen in the same coverage

EPSS Trend

Aug 16, 2026 → Sep 23, 2026

● 0.00pp

2.26% → 2.26% over 9 tracked changes

CVSS v3.1 Detail

Attack VectorNETWORK

Attack ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

ScopeUNCHANGED

ConfidentialityLOW

IntegrityNONE

AvailabilityNONE

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

Connections

1 relationships

source

Timeline

disclosure → media coverage

Aug 23, 2019

Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024

Public PoC (1)

github.com/bibi1959/CVE-2019-15514

Unverified third-party code — review before executing.