RHSA-2020:1342 — Security Advisory
Red Hat Security Advisory: telnet security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · April 7, 2020
Updated · August 7, 2026
Topic
An update for telnet is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
Telnet is a popular protocol for logging in to remote systems over the Internet. The telnet-server packages include a telnet service that supports remote logins into the host machine. The telnet service is disabled by default.
Security Fix(es):
- telnet-server: no bounds checks in nextitem() function allows to remotely execute arbitrary code (CVE-2020-10188)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.