CVE-2023-51773

critical

Description

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

References

https://sourceforge.net/p/bacnet/bugs/85/

https://github.com/bacnet-stack/bacnet-stack/pull/546/commits/c465412a076ca6c9ddf649612f2b4e1874d8dcb8

https://github.com/bacnet-stack/bacnet-stack/pull/546

https://github.com/bacnet-stack/bacnet-stack/compare/bacnet-stack-1.3.1...bacnet-stack-1.3.2

https://github.com/bacnet-stack/bacnet-stack/blob/master/CHANGELOG.md

Details

Source: Mitre, NVD

Published: 2024-02-29

Updated: 2025-05-23

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Severity: Critical

EPSS

EPSS: 0.00466