Use of hard-coded credentials in Arlo Q Plus VMC3040S

1) Use of hard-coded credentials

EUVDB-ID: #VU54112

Risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-31505

CWE-ID: CWE-798 - Use of Hard-coded Credentials

Exploit availability: No

Description

The vulnerability allows a local attacker to gain full access to vulnerable system.

The vulnerability exists due to presence of hard-coded credentials in application code within the SSH service. An attacker with physical access can access the affected system using the hard-coded credentials.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Q Plus VMC3040S: before 1.9.0.8_199_3707910

External links

http://www.zerodayinitiative.com/advisories/ZDI-21-683/
http://kb.arlo.com/000062592/Security-Advisory-for-Arlo-Q-Plus-SSH-Use-of-Hard-coded-Credentials-Allowing-Privilege-Escalation

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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