Cyber Resilience

CVE-2021-43734

HighPublic PoC

Published: 15 February 2022

Published
15 February 2022
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.7736 99.0th percentile
Risk Priority 61 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-43734 is a high-severity Path Traversal (CWE-22) vulnerability in Keking Kkfileview. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 1.0% 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

kkFileview v4.0.0 has arbitrary file read through a directory traversal vulnerability which may lead to sensitive file leak on related host.

CWE(s)
CWE-22

Related Threats

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

Affected Assets

keking
kkfileview
4.0.0

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.

SI-10 Information Input Validation
addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.

References