Improper access control in Junos OS Evolved



| Updated: 2023-10-26
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-22183
CWE-ID CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Junos OS Evolved
Operating systems & Components / Operating system

Vendor Juniper Networks, Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper access control

EUVDB-ID: #VU82439

Risk: Medium

CVSSv4.0: 6.6 [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]

CVE-ID: CVE-2022-22183

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Junos OS Evolved: 20.4R1-EVO - 22.1-EVO

CPE2.3 External links

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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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