Main Vulnerability Database SB2022041354

SB2022041354 - Improper access control in Junos OS Evolved

Published: April 13, 2022 Updated: October 26, 2023

Security Bulletin ID SB2022041354

CSH Severity

Medium

Patch available

YES

Number of vulnerabilities 1

Exploitation vector Remote access

Highest impact Denial of service

Breakdown by Severity

Low
Medium
High
Critical

Description

This security bulletin contains information about 1 vulnerability.

1) Improper access control (CVE-ID: CVE-2022-22183)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper access control error. A remote non-authenticated attacker can connect to a specific open IPv4 port, which in affected releases should otherwise be unreachable, to cause the CPU to consume all resources as more traffic is sent to the port to create a Denial of Service (DoS) condition.

Remediation

Install update from vendor's website.

References

https://supportportal.juniper.net/s/article/2022-04-Security-Bulletin-Junos-OS-Evolved-A-remote-attacker-may-cause-a-CPU-Denial-of-Service-by-sending-genuine-traffic-to-a-device-on-a-specific-IPv4-port-CVE-2022-22183