cvedb.io
CVE-2018-20764
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2019-02-08T17:29:00.303 · Last modified 2026-06-17T01:53:25.630

Summary

A buffer overflow exists in HelpSystems tcpcrypt on Linux, used for BoKS encrypted telnet through BoKS version 6.7.1. Since tcpcrypt is setuid, exploitation leads to privilege escalation.

Affected products

helpsystems — boks

Does this affect you?

Add your gear to cvedb and we'll alert you only when helpsystems ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.