Improper Authentication in 128 Technology Session Smart Router

1) Improper Authentication

EUVDB-ID: #VU57405

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-31349

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote attacker can bypass the authentication and execute an arbitrary OS command with the root privilege.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

128 Technology Session Smart Router: 4.4 - 5.0.1

CPE2.3

• cpe:2.3:h:128_technology:128_technology_session_smart_router:4.4:*:*:*:*:*:*:*
• cpe:2.3:h:128_technology:128_technology_session_smart_router:*:*:*:*:*:*:*:*
• cpe:2.3:h:128_technology:128_technology_session_smart_router:5.0.1:*:*:*:*:*:*:*

External links

http://jvn.jp/en/jp/JVN85073657/index.html
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA11256&cat=SIRT_1&actp=LIST

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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