IDN Homograph Vulnerability in Telegram Desktop and Mobile Apps
CVE-2020-12474

6.5MEDIUM

Key Information:

Vendor: Telegram
Status: Telegram; Telegram Desktop
Vendor: CVE Published:; 1 May 2020

What is CVE-2020-12474?

The vulnerability allows for IDN Homograph attacks through the use of Punycode, which can manipulate public URLs or group chat invitation links in Telegram Desktop and mobile applications. This could enable an attacker to deceive users into visiting malicious websites disguised as legitimate ones, potentially compromising sensitive information.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

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References

https://github.com/VijayT007/Vulnerability-Database/blob/...

x_refsource_MISC

CVSS V3.1

Score:

6.5

Severity:

MEDIUM

Confidentiality:

High

Integrity:

None

Availability:

High

Attack Vector:

Network

Attack Complexity:

Low

Privileges Required:

None

User Interaction:

Required

Scope:

Unchanged

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
May 1, 2020
Vulnerability Reserved
Apr 29, 2020

JSON

Telegram

What is CVE-2020-12474?

Human OS v1.0: Ageing Is an Unpatched Zero-Day Vulnerability.

References

CVSS V3.1

Timeline

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.