CVE-2021-36769

mediumpriority · track · 21EPSS 0.014 · 72 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.39% (72nd) EPSS

CVSS 5 · medium

Is it mine?

4 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-26

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-501USLLM-inferred

affected products (4)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
telegram telegram< 7.8.1nvdUScpe:2.3:a:telegram:telegram:*:*:*:*:*:*:*:*
telegram telegram< 7.8.3nvdUScpe:2.3:a:telegram:telegram:*:*:*:*:*:*:*:*
telegram telegram desktop< 2.8.8nvdUScpe:2.3:a:telegram:telegram_desktop:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-07-17modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

https://mtpsym.github.io cnnvd
https://nvd.nist.gov/vuln/detail/CVE-2021-36769 cnnvd
https://mtpsym.github.io enisa_euvd
https://mtpsym.github.ioTechnical DescriptionThird Party Advisorynvd

scry

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