Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2021-27351

Insufficient Session Expiration

Published: Feb 19, 2021 | Modified: Nov 21, 2024
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
Vulnerability-free packages from our partners
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 focal *
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

Aqua Security is the largest pure-play cloud native security company, providing customers the freedom to innovate and run their businesses with minimal friction. The Aqua Cloud Native Security Platform provides prevention, detection, and response automation across the entire application lifecycle to secure the build, secure cloud infrastructure and secure running workloads wherever they are deployed.
Copyright © 2025 Aqua Security Software Ltd.   Privacy Policy | Terms of Use