Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2021-27351

Insufficient Session Expiration

Published: Feb 19, 2021 | Modified: May 23, 2022
CVSS 3.x
5.3
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu
LOW
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-27351
CWEhttps://cwe.mitre.org/data/definitions/613.html

The Terminate Session feature in the Telegram application through 7.2.1 for Android, and through 2.4.7 for Windows and UNIX, fails to invalidate a recently active session.

Weakness

According to WASC, “Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization.”

Affected Software

Name Vendor Start Version End Version
Telegram Telegram * 2.4.7 (including)
Telegram Telegram * 7.2.1 (including)
Telegram-desktop Ubuntu bionic *
Telegram-desktop Ubuntu groovy *
Telegram-desktop Ubuntu hirsute *
Telegram-desktop Ubuntu impish *
Telegram-desktop Ubuntu kinetic *
Telegram-desktop Ubuntu trusty *
Telegram-desktop Ubuntu upstream *

Potential Mitigations

References

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