Medium severity · published Feb 12, 2021
CVE-2021-27204
Telegram before 7.4 (212543) Stable on macOS stores the local passcode in cleartext, leading to information disclosure
5.5
CVSS
0.3%
EPSS
No
On KEV
Description
Telegram before 7.4 (212543) Stable on macOS stores the local passcode in cleartext, leading to information disclosure.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TE
Telegram · Telegram
before 7.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-27204
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-27204
Third Party Advisory
https://www.inputzero.io/2020/12/telegram-privacy-fails-again.html
Exploit
https://www.youtube.com/watch?v=zEt-_5b4OaA
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