CVE-2021-36769

5.3 mediumEPSS 1.4%

Medium (5.3) in telegram. EPSS 1.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 72% of CVEs (scores of 2026-10-31)
Published: 2021-07-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

telegram:telegram
telegram:telegram_desktop

References

https://mtpsym.github.io
https://mtpsym.github.io

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