Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2021-31793

7.5 · HIGH

An issue exists on NightOwl WDB-20-V2 WDB-20-V2_20190314 devices that allows an unauthenticated user to gain access to snapshots and video streams from the doorbell.

Published May 6, 2021CWE-306EPSS 1.27%

Overview

CVE-2021-31793 is a high-severity vulnerability. It was published on May 6, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An issue exists on NightOwl WDB-20-V2 WDB-20-V2_20190314 devices that allows an unauthenticated user to gain access to snapshots and video streams from the doorbell. The binary app offers a web server on port 80 that allows an unauthenticated user to take a snapshot from the doorbell camera via the /snapshot URI.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refcloud.binary.ninja/embed/f4400a22-c438-403a-bf2a-939ca44a4f6bGitHubgist.github.com/tj-oconnor/16a4116050bbcb4717315f519b944f1fRefcloud.binary.ninja/embed/f4400a22-c438-403a-bf2a-939ca44a4f6bGitHubgist.github.com/tj-oconnor/16a4116050bbcb4717315f519b944f1f

How CyberStrike helps

Frequently asked questions

What is CVE-2021-31793?

CVE-2021-31793 is a high-severity vulnerability. It was published on May 6, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2021-31793?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-31793?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-31793?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-31793 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related HIGH CVEs from 2021

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999