Cyber Resilience

CVE-2023-51773

Critical

Published: 29 February 2024

Published
29 February 2024
Modified
23 May 2025
KEV Added
—
Patch
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CVSS Score v3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS Score 0.0037 59.4th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-51773 is a critical-severity Buffer Over-read (CWE-126) vulnerability in Bacnetstack Bacnet Stack. Its CVSS base score is 9.1 (Critical).

Operationally, ranked in the top 40.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

BACnet Stack before 1.3.2 has a decode function APDU buffer over-read in bacapp_decode_application_data in bacapp.c.

CWE(s)
CWE-126

Related Threats

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

Affected Assets

bacnetstack
bacnet stack
≤ 1.3.2

Mitigating Controls

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

References