5.3

CVE-2021-36769: telegram

CVSS: 5.3v3.1MediumModified
AliasesUBUNTU-CVE-2021-36769DEBIAN-CVE-2021-36769
Published 16-07-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-36769 is a medium (CVSS 5.3) vulnerability in telegram. EPSS estimates a 1.39% chance of exploitation in the next 30 days, higher than 71.8% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
1.39%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 16-07-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

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 metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.39%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

0.00 pp

From 1.39% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.39%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Telegram2 products
Debian1 product
  • telegram-desktop< 2.9.2+ds-1
Ubuntu1 product
  • telegram-desktopAll versions (No fix recorded)

3 vendors · 4 products

References

5 links