Reordering Issue in Telegram for Android, iOS, and Desktop
CVE-2021-36769

5.3MEDIUM

Key Information:

Vendor

Telegram

Status
Telegram
Telegram Desktop
Vendor
CVE Published:
17 July 2021

What is CVE-2021-36769?

Telegram versions prior to 7.8.1 for Android, 7.8.3 for iOS, and 2.8.8 for Desktop exhibit a reordering issue. This vulnerability allows attackers to manipulate the sequence in which messages are sent and received, potentially impairing message integrity and leading to confusion during conversations. Users on these affected versions may experience significant risks to their private communications as the server can receive messages in a different order than intended by the sender.

Human OS v1.0:
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References

https://mtpsym.github.io
x_refsource_MISC

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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