CVE-2021-36769
First published: Fri 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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Telegram Telegram | <7.8.1 | |
| Telegram Telegram | <7.8.3 | |
| Telegram Telegram Desktop | <2.8.8 |
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Reference Links
Frequently Asked Questions
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.
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.
What is the severity of CVE-2021-36769?
CVE-2021-36769 has a severity rating of medium, with a severity value of 5.3.
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.
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.
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