CVE-2021-36769: Medium severity telegram vulnerability

Published Jul 16, 2021
·
Updated

A reordering issue exists in Telegram before 7.8.1 for Android, Telegram before 7.8.3 for iOS, and Telegram Desktop before 2.8.8. An attacker can cause the server to receive messages in a different order than they were sent a client.

Affected Software

3 affected components
Telegram Telegram Android<7.8.1
Telegram Telegram Iphone Os<7.8.3
Telegram Telegram Desktop<2.8.8

Event History

Jul 16, 2021
CVE Published
via MITRE·11:03 PM
Data Sourced
via MITRE·11:03 PM
Description
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Frequently Asked Questions

1

What is CVE-2021-36769?

CVE-2021-36769 is a vulnerability in Telegram before 7.8.1 for Android, Telegram before 7.8.3 for iOS, and Telegram Desktop before 2.8.8 that allows an attacker to cause the server to receive messages in a different order than they were sent to a client.

2

How does CVE-2021-36769 affect Telegram?

CVE-2021-36769 affects Telegram versions before 7.8.1 for Android, before 7.8.3 for iOS, and before 2.8.8 for Telegram Desktop.

3

What is the severity of CVE-2021-36769?

CVE-2021-36769 has a severity rating of medium, with a severity value of 5.3.

4

How can an attacker exploit CVE-2021-36769?

An attacker can exploit CVE-2021-36769 by causing the server to receive messages in a different order than they were sent to a client.

5

Is there a fix available for CVE-2021-36769?

Yes, the fix for CVE-2021-36769 is to update Telegram to version 7.8.1 or later for Android, version 7.8.3 or later for iOS, and version 2.8.8 or later for Telegram Desktop.

Contact

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