Authentication bypass in Juniper Session Smart Router

1) Authentication bypass using an alternate path or channel

EUVDB-ID: #VU93506

Risk: Critical

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Red]

CVE-ID: CVE-2024-2973

CWE-ID: CWE-288 - Authentication Bypass Using an Alternate Path or Channel

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected device.

The vulnerability exists due to missing authentication checks when running with a redundant peer. A remote non-authenticated attacker can bypass authentication and take full control over the affected device.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Session Smart Router: before 5.6.15

Session Smart Conductor: before 5.6.15

WAN Assurance Router: before 6.1.9

CPE2.3

• cpe:2.3:a:juniper_networks:session_smart_router:*:*:*:*:*:*:*:*
• cpe:2.3:h:juniper_networks:session_smart_conductor:*:*:*:*:*:*:*:*
• cpe:2.3:h:juniper_networks:wan_assurance_router:*:*:*:*:*:*:*:*

External links

https://supportportal.juniper.net/s/article/2024-06-Out-Of-Cycle-Security-Bulletin-Session-Smart-Router-SSR-On-redundant-router-deployments-API-authentication-can-be-bypassed-CVE-2024-2973?language=en_US

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.