Auth bypass in Telegram Desktop
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 filename that lacks an extension.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.023 (82.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
Weakness classification (CWE)
References
- telegram.org (Vendor Advisory)
- github.com/VijayT007/Vulnerability-Database/blob/master/Telegram-CVE-2020-17448 (Third Party Advisory)
- github.com/telegramdesktop/tdesktop/releases/tag/v2.2.0 (Third Party Advisory, Release Notes)
- security.gentoo.org/glsa/202101-34 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-17448?
- CVE-2020-17448 is a high-severity vulnerability in Telegram Desktop, classified under Incorrect Authorization. CVSS score: 7.8/10. Published 2020-08-11.
- How severe is CVE-2020-17448?
- High severity. CVSS v3 base score is 7.8 out of 10.