7.8

CVE-2020-17448: telegram telegram_desktop Incorrect Authorization

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2020-17448DEBIAN-CVE-2020-17448
Published 11-08-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-17448 is a high (CVSS 7.8) Incorrect Authorization vulnerability in telegram telegram_desktop. EPSS estimates a 2.28% chance of exploitation in the next 30 days, higher than 82.9% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
2.28%
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. 11-08-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Telegram Desktop through 2.1.13 allows a spoofed file type to bypass the Dangerous File Type Execution protection mechanism, as demonstrated by use of the chat window with a filename that lacks an extension.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.28%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

0.00 pp

From 2.28% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.28%

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

Affected systems

Debian1 product
  • telegram-desktop< 2.2.0+ds-1
Telegram1 product
Ubuntu1 product
  • telegram-desktopAll versions (No fix recorded)

3 vendors · 3 products

References

7 links