What’s Vulnerable › Vulnerabilities

CVE-2021-31793

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-06 · updated 2026-06-17
• Weakness: CWE-306

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.

Affected products

• Nightowlsp Wdb-20 Firmware: 20190314

References

• https://cloud.binary.ninja/embed/f4400a22-c438-403a-bf2a-939ca44a4f6b
• https://gist.github.com/tj-oconnor/16a4116050bbcb4717315f519b944f1f
• https://cloud.binary.ninja/embed/f4400a22-c438-403a-bf2a-939ca44a4f6b
• https://gist.github.com/tj-oconnor/16a4116050bbcb4717315f519b944f1f

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