What’s Vulnerable › Vulnerabilities

CVE-2020-17448

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-08-11 · updated 2026-06-17
• Weakness: CWE-863

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.

Affected products

• Telegram Desktop: through 2.1.13

References

• https://github.com/VijayT007/Vulnerability-Database/blob/master/Telegram-CVE-2020-17448
• https://github.com/telegramdesktop/tdesktop/releases/tag/v2.2.0
• https://security.gentoo.org/glsa/202101-34
• https://telegram.org
• https://github.com/VijayT007/Vulnerability-Database/blob/master/Telegram-CVE-2020-17448
• https://github.com/telegramdesktop/tdesktop/releases/tag/v2.2.0
• https://security.gentoo.org/glsa/202101-34
• https://telegram.org

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