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CVE-2020-12474

Date: May 1, 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.

Severity Score

Related Resources (5)

https://github.com/VijayT007/Vulnerability-Database/blob/master/Telegram:CVE-2020-12474
https://nvd.nist.gov/vuln/detail/CVE-2020-12474
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-12474
https://security-tracker.debian.org/tracker/CVE-2020-12474
https://www.mend.io/vulnerability-database/CVE-2020-12474

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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