High severity · published Aug 11, 2020
CVE-2020-17448
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…
7.8
CVSS
2.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TD
Telegram Desktop · Telegram
through 2.1.13 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-17448
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-17448
Third Party Advisory
https://github.com/VijayT007/Vulnerability-Database/blob/master/Telegram-CVE-2020-17448
Release Notes
https://github.com/telegramdesktop/tdesktop/releases/tag/v2.2.0
Third Party Advisory
https://security.gentoo.org/glsa/202101-34
Vendor Advisory
https://telegram.org
More from Telegram Desktop
9.8
CVE-2018-17613
Telegram Desktop (aka tdesktop) 1.3.16 alpha, when "Use proxy" is enabled, sends credentials and application data in cleartext over the SOCKS5 protocol
8.8
CVE-2019-10044
Telegram Desktop before 1.5.12 on Windows, and the Telegram applications for Android, iOS, and Linux, is vulnerable to an IDN homograph attack when displaying messages containing…
8.2
CVE-2026-94488
Telegram Desktop before 6.9.4 allows XSS in the HTML exporter
8.1
CVE-2026-107181
Telegram Desktop before 7.2.9 IPC Record Injection File Exfiltration via interpret: Scheme
7.5
CVE-2021-47793
Telegram Desktop 2.9.2 - Denial of Service (PoC)