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CVE-2020-12474

Published: 1 May 2020

Telegram Desktop through 2.0.1, Telegram through 6.0.1 for Android, and Telegram through 6.0.1 for iOS allow an IDN Homograph attack via Punycode in a public URL or a group chat invitation URL.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
telegram-desktop
Launchpad, Ubuntu, Debian
bionic Needs triage

eoan Ignored
(end of life)
focal Needs triage

groovy Not vulnerable
(2.1.0+ds-1)
hirsute Not vulnerable
(2.1.0+ds-1)
impish Not vulnerable
(2.1.0+ds-1)
jammy Not vulnerable
(2.1.0+ds-1)
kinetic Not vulnerable
(2.1.0+ds-1)
lunar Does not exist

mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N