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No exploitation reportedFix available

CVE-2020-12474

No exploitation reported by the sources we read.

  • Published2020-05-01

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2020-05-0114:15CVE publishedNVD

Versions per branch

NVD
Telegram
BranchAffectedFixed in
6.0≤ 6.0.1no fix published
Telegram telegram desktop
BranchAffectedFixed in
2.0≤ 2.0.1no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • telegram-desktopUbuntu:20.04:LTSall versions · no fixed version listed
  • telegram-desktopUbuntu:18.04:LTSall versions · no fixed version listed
  • telegram-desktopDebian:14all versions · fixed in 2.1.0+ds-1
  • telegram-desktopDebian:12all versions · fixed in 2.1.0+ds-1

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Published
2020-05-01
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-mf6c-m6cw-6m7x

Frequently asked questions

What is CVE-2020-12474?

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.

Is CVE-2020-12474 actively exploited?

Active exploitation of CVE-2020-12474 has not been confirmed. Its EPSS score was 2.6% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-12474?

CVE-2020-12474 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

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Sources for this record