Missing authentication for critical function in Juniper Junos OS

1) Missing authentication for critical function

EUVDB-ID: #VU85843

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-21619

CWE-ID: CWE-306 - Missing Authentication for Critical Function

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to missing authentication in J-Web of Juniper Networks Junos OS on SRX Series and EX Series. A remote non-authenticated attacker can view contents of view contents of temporary files in the /cache folder and obtain device configuration.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Juniper Junos OS: 20.4R1 - 23.2R1-S1

External links

http://supportportal.juniper.net/s/article/2024-01-Out-of-Cycle-Security-Bulletin-Junos-OS-SRX-Series-and-EX-Series-Multiple-vulnerabilities-in-J-Web-have-been-addressed

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.