Cyber Resilience

CVE-2021-37440

MediumPublic PoC

Published: 25 July 2021

Published
25 July 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0023 45.7th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-37440 is a medium-severity Path Traversal (CWE-22) vulnerability in Nch Axon Pbx. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 45.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

NCH Axon PBX v2.22 and earlier allows path traversal for file disclosure via the logprop?file=/.. substring.

CWE(s)
CWE-22

Related Threats

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

Affected Assets

nch
axon pbx
≤ 2.22

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