6.5

CVE-2022-22164: Junos OS Evolved: Telnet service may be enabled when it is expected to be disabled.

Modified
Published 19-01-2022Last modified 16-09-2024

Vulnerability summary

CVE-2022-22164 is a medium (CVSS 6.5) Improper Initialization vulnerability in juniper networks junos os evolved. EPSS estimates a 0.70% chance of exploitation in the next 30 days, higher than 52.7% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.70%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 19-01-2022
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.70%

Chance of exploitation in the next 30 days

Percentile

53%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.70% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Juniper1 product
  • junos_os_evolved20.4 | 20.4:r1 | 20.4:r1-s1 | 20.4:r1-s2 | 20.4:r2 | 20.4:r2-s1 | 20.4:r2-s2 | 20.4:r2-s3 | 20.4:r3-s1 | 21.1 | 21.2
Juniper networks1 product
  • junos os evolved≥ unspecified, < 20.4R2-S2-EVO | ≥ 21.1R1-EVO, < 21.1* | ≥ 21.2, < 21.2R2-EVO

2 vendors · 2 products

References

1 links