CVE-2023-51773

View on CVE.org

Published Dec 25, 2023 CVSS 3.1 · 9.1 Critical EPSS 1.1% KEV · Not listed

Description

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

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:bacnetstack:bacnet_stack:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: 1.1% (1.053% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/bacnet-stack/bacnet-stack/blob/master/CHANGELOG.md
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/pull/546
https://github.com/bacnet-stack/bacnet-stack/pull/546/commits/c465412a076ca6c9ddf649612f2b4e1874d8dcb8
https://sourceforge.net/p/bacnet/bugs/85/

History

May 23, 2025 4:00 PM First appearance in the feed. Affected versions updated. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Bacnetstack Bacnetstack bacnet Stack
CPEs		cpe:2.3:a:bacnetstack:bacnet_stack::::::::
Vendors & Products		Bacnetstack Bacnetstack bacnet Stack

Subscriptions

Bacnetstack Bacnet Stack

Weaknesses

CWE-126

Sources

CVE record Updated: Aug 2, 2024, 10:48 PM

Status: PUBLISHED
Assigner: mitre
Published: Dec 25, 2023, 12:00 AM
Updated: Aug 2, 2024, 10:48 PM
Reserved: Dec 25, 2023, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 10:48 PM

Updated: Aug 2, 2024, 10:48 PM

NVD Updated: Jun 17, 2026, 6:41 AM

Status: Analyzed
Published: Feb 29, 2024, 1:42 AM
Modified: Jun 17, 2026, 6:41 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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