Vulnerability identifier: #VU54112

Vulnerability 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

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Q Plus VMC3040S
Hardware solutions / Firmware

Vendor:

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

---

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.