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CVE-2022-22164

Junos OS Evolved: Telnet service may be enabled when it is expected to be disabled.

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 20.4R2-S2-EVO, 21.2R2-EVO
None on Exploit-DB, Metasploit or GitHub

Summary

An Improper Initialization vulnerability in Juniper Networks Junos OS Evolved may cause a commit operation for disabling the telnet service to not take effect as expected, resulting in the telnet service staying enabled. When it is not intended to be operating on the device, an administrator can issue the following command to verify whether telnet is operating in the background: user@device > show system connections | grep :23 tcp 0 0 0.0.0.0:23 0.0.0.0:* LISTEN 20879/xinetd This issue affects: Juniper Networks Junos OS Evolved All versions prior to 20.4R2-S2-EVO; 21.1 version 21.1R1-EVO and later versions; 21.2 versions prior to 21.2R2-EVO.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Juniper Networks Junos OS Evolved

    fixed in 20.4R2-S2-EVO; From 21.1R1-EVO; From 21.2 · fixed in 21.2R2-EVO

References 1

kb.juniper.net