CVE-2021-36769 describes a reordering vulnerability in Telegram clients (Android before 7.8.1, iOS before 7.8.3, and Desktop before 2.8.8) that allows an attacker to manipulate the order in which messages are received by the server compared to their original sending order. This vulnerability has a CVSS score of 5.3 (Medium), indicating a network-based attack with low complexity, requiring no user interaction, and primarily impacting integrity (loss of message order). There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 7.8.1CPE matchmatch criteria | cpe:2.3:a:telegram:telegram:*:*:*:*:*:android:*:* | ||
< 7.8.3CPE matchmatch criteria | cpe:2.3:a:telegram:telegram:*:*:*:*:*:iphone_os:*:* | ||
< 2.8.8CPE matchmatch criteria | cpe:2.3:a:telegram:telegram_desktop:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.