#VU88541 Use of Hard-coded Cryptographic Key in Juniper Cloud Native Router - CVE-2024-30407

Vulnerability identifier: #VU88541

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-30407

CWE-ID: CWE-321

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Juniper Cloud Native Router
Server applications / Other server solutions

Vendor: Juniper Networks, Inc.

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to usage of a hard-coded SSH host key. A remote attacker with ability to intercept SSH traffic can decrypt it and perform MitM attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Juniper Cloud Native Router: before 23.4R1

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External links
https://supportportal.juniper.net/s/article/2024-04-Security-Bulletin-Juniper-Cloud-Native-Router-Multiple-vulnerabilities-resolved-in-23-4-release

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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.