Vulnerability · Published Feb 19, 2021 · Assigned by mitre
CVE-2021-27351
Medium 5.3
In plain English
A medium-severity security flaw in the telegram-desktop package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)0.8%top 41.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | telegram-desktop | 2.6.1-1 | DEBIAN-CVE-2021-27351 |
| Debian:14 | telegram-desktop | 2.6.1-1 | DEBIAN-CVE-2021-27351 |
| Ubuntu:22.04:LTS | telegram-desktop | no fix listed | UBUNTU-CVE-2021-27351 |
Affected products (as reported)
References
- https://0ffsecninja.github.io/Telegram:CVE-2021-2735.html x_refsource_MISC
- GLSA-202105-07 vendor-advisory, x_refsource_GENTOO