CVE-2020-17448

Name: CVE-2020-17448
Creator: NVD / NIST
Published: 2020-08-11T17:15:12.017+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 2.28%

Last modified Jun 17, 2026

CVE-2020-17448 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 2.28% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

2.28%

80.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Telegram	Telegram Desktop	<= 2.1.13

References

https://github.com/VijayT007/Vulnerability-Database/blob/master/Telegram-CVE-2020-17448Third Party Advisory
https://github.com/telegramdesktop/tdesktop/releases/tag/v2.2.0Release Notes, Third Party Advisory
https://security.gentoo.org/glsa/202101-34Third Party Advisory
https://telegram.orgVendor Advisory
https://github.com/VijayT007/Vulnerability-Database/blob/master/Telegram-CVE-2020-17448Third Party Advisory
https://github.com/telegramdesktop/tdesktop/releases/tag/v2.2.0Release Notes, Third Party Advisory
https://security.gentoo.org/glsa/202101-34Third Party Advisory
https://telegram.orgVendor Advisory

Timeline

Published: Aug 11, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-17448?

How severe is CVE-2020-17448?

CVE-2020-17448 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.28% probability of exploitation in the next 30 days.

How do I fix CVE-2020-17448?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-17448?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST