CVE-2023-51773

CRITICAL EPSS 60.1%
Published Feb 29, 20242y ago · Modified Jun 17, 20262w ago
9.1 CVSS 3.1
Critical
Find Similar
Published Feb 29, 2024 2y ago
Last Modified Jun 17, 2026 2w ago

Description

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

CVSS Details

Base Score
9.1
Exploitability
3.9
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
60.1% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-126

Affected Products 1

VendorProductVersionRange
bacnetstackbacnet_stack* <1.3.2

References 5

  • github.com https://github.com/bacnet-stack/bacnet-stack/blob/master/CHANGELOG.md
    Release Notes
  • github.com https://github.com/bacnet-stack/bacnet-stack/compare/bacnet-stack-1.3.1...bacnet-stack-1.3.2
    Patch
  • github.com https://github.com/bacnet-stack/bacnet-stack/pull/546
    Patch
  • github.com https://github.com/bacnet-stack/bacnet-stack/pull/546/commits/c465412a076ca6c9ddf649612f2b4e1874d8dcb8
    Patch
  • sourceforge.net https://sourceforge.net/p/bacnet/bugs/85/
    Permissions Required

Remediation

  • github.com https://github.com/bacnet-stack/bacnet-stack/compare/bacnet-stack-1.3.1...bacnet-stack-1.3.2
    Patch
  • github.com https://github.com/bacnet-stack/bacnet-stack/pull/546
    Patch
  • github.com https://github.com/bacnet-stack/bacnet-stack/pull/546/commits/c465412a076ca6c9ddf649612f2b4e1874d8dcb8
    Patch