Cyber Resilience

CVE-2022-43589

MediumPublic PoC

Published: 28 November 2022

Published
28 November 2022
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0014 34.0th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-43589 is a medium-severity NULL Pointer Dereference (CWE-476) vulnerability in Callback Cbfs Filter. Its CVSS base score is 5.5 (Medium).

Operationally, ranked at the 34.0th 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

A null pointer dereference vulnerability exists in the handle_ioctl_8314C functionality of Callback technologies CBFS Filter 20.0.8317. A specially crafted I/O request packet (IRP) can lead to denial of service. An attacker can issue an ioctl to trigger this vulnerability.

CWE(s)
CWE-476

Related Threats

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

Affected Assets

callback
cbfs filter
20.0.8317

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References