CVE-2021-31505

Description

This vulnerability allows attackers with physical access to escalate privileges on affected installations of Arlo Q Plus 1.9.0.3_278. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SSH service. The device can be booted into a special operation mode where hard-coded credentials are accepted for SSH authentication. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-12890.

Category

6.8
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.15%
Vendor Advisory arlo.com
Affected: Arlo Q Plus
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-21-683/ vdb entry third party advisory
https://kb.arlo.com/000062592/Security-Advisory-for-Arlo-Q-Plus-SSH-Use-of-Hard-coded-Credentials-Allowing-Privilege-Escalation vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-31505?
CVE-2021-31505 has been scored as a medium severity vulnerability.
How to fix CVE-2021-31505?
To fix CVE-2021-31505, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-31505 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-31505 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-31505?
CVE-2021-31505 affects Arlo Q Plus.
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