Secuno
ENNL
Book demo

CVE-2023-51773

Bacnetstack Bacnet Stack vulnerability

9.1 CRITICALEPSS 1.05%
  1. Published29 Feb 2024

Description

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

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected products

Bacnetstack Bacnet Stack< 1.3.2

Remediation

Fixed in
Bacnetstack Bacnet Stack≥ 1.3.2

Frequently asked

Is CVE-2023-51773 being actively exploited?

CVE-2023-51773 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.05%.

How severe is CVE-2023-51773?

CVE-2023-51773 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 1.05% probability of exploitation.

Which products are affected by CVE-2023-51773?

Affected products include Bacnetstack Bacnet Stack.

How do I fix CVE-2023-51773?

Upgrade affected software to a fixed version, for example Bacnetstack Bacnet Stack 1.3.2 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-51773 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.