telnet in GNU inetutils through 2.7 allows servers to read arbitrary environment variables from clients via NEW_ENVIRON SEND USERVAR.
CVSS Details
- CVSS 3.1 Base Score: 3.4
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade inetutils-telnet | Oct 20, 2026 | Mar 13, 2026 |
| Debian | — | Upgrade inetutils | Apr 6, 2026 | Apr 6, 2026 |
| Ubuntu | — | Upgrade inetutils-syslogd (Ubuntu Pro)Upgrade inetutils-ping (Ubuntu Pro)Upgrade inetutils-traceroute (Ubuntu Pro)Upgrade inetutils-telnet (Ubuntu Pro)Upgrade inetutils-syslogdUpgrade inetutils-telnetUpgrade inetutils-tools (Ubuntu Pro)Upgrade inetutils-ftpd (Ubuntu Pro)Upgrade inetutils-toolsUpgrade inetutils-ftpUpgrade inetutils-telnetdUpgrade inetutils-talkdUpgrade inetutils-pingUpgrade telnetdUpgrade inetutils-tracerouteUpgrade telnetUpgrade inetutils-talk (Ubuntu Pro)Upgrade inetutils-talkd (Ubuntu Pro)Upgrade inetutils-inetd (Ubuntu Pro)Upgrade inetutils-ftp (Ubuntu Pro)Upgrade inetutils-talkUpgrade inetutils-ftpdUpgrade inetutils-inetdUpgrade inetutils-telnetd (Ubuntu Pro) | Jun 9, 2026 | Jun 4, 2026 |
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