Cyber Resilience

CVE-2021-47718

HighPublic PoC

Published: 09 December 2025

Published
09 December 2025
Modified
19 December 2025
KEV Added
Patch
CVSS Score v4 8.7 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0036 58.7th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-47718 is a high-severity Exposure of Information Through Directory Listing (CWE-548) vulnerability in Openbmcs Openbmcs. Its CVSS base score is 8.7 (High).

Operationally, ranked in the top 41.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

openbmcs
openbmcs
2.4

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-548

Detects information exposure through directory listings as unauthorized disclosure.

addresses: CWE-548

Directory listings and resource enumeration can be suppressed or populated with misleading entries.

addresses: CWE-548

Reduces exposure via directory listings or accessible files when OPSEC restricts visibility of key organizational resources.

References