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TI-2020-13213 Aliases CVE-2020-17448GHSA-ccch-f948-2h8c

Telegram Desktop through 2.1.13 allows a spoofed file type to bypass the Dangerous File…

Priority LOW 38CWE-863Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-863.

Summary

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.

Why it matters now

EPSS 0.02281 83rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:telegram:telegram_desktop:*:*:*:*:*:*:*:*up to 2.1.13VulnerableTelegram
  • cpe:2.3:a:telegram:telegram_desktop:*:*:*:*:*:*:*:* Versions up to 2.1.13 Vulnerable ·Telegram

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-17448
  2. 2026-10-03 Alias added: GHSA-ccch-f948-2h8c

References

Advisory 4

  • TI-2021-22409 Telegram Desktop 2.9.2 - Denial of Service (PoC) CVSS 4.0MEDIUM 4.6
  • TI-2018-12545 Telegram Desktop (aka tdesktop) 1.3.16 alpha, when "Use proxy" is enabled, sends… CVSS 3.0CRITICAL 9.8
  • TI-2019-07370 Telegram Desktop before 1.5.12 on Windows, and the Telegram applications for Android… CVSS 3.0HIGH 8.8
  • TI-2018-12317 Telegram Desktop (aka tdesktop) 1.3.14 might allow attackers to cause a denial of service… CVSS 3.0HIGH 7.5
  • TI-2020-09975 Telegram Desktop through 2.0.1, Telegram through 6.0.1 for Android, and Telegram through… CVSS 3.1MEDIUM 6.5
  • TI-2018-12653 Telegram Desktop (aka tdesktop) 1.3.14, and Telegram 3.3.0.0 WP8.1 on Windows, leaks… CVSS 3.0MEDIUM 6.5
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences