CVE-2019-12480

Name: CVE-2019-12480
Creator: NVD / NIST
Published: 2019-05-30T22:29:00.183+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 33.65%

Last modified Jun 17, 2026

CVE-2019-12480 is a vulnerability of currently unknown severity. BACnet Protocol Stack through 0.8.6 has a segmentation fault leading to denial of service in BACnet APDU Layer because a malformed DCC in AtomicWriteFile, AtomicReadFile and DeviceCommunicationControl services. An unauthenticated remote attacker could cause a denial of service (bacserv daemon crash) because there is an invalid read in bacdcode.c during parsing of alarm tag numbers.. EPSS estimates a 33.65% chance of exploitation in the next 30 days.

Description

BACnet Protocol Stack through 0.8.6 has a segmentation fault leading to denial of service in BACnet APDU Layer because a malformed DCC in AtomicWriteFile, AtomicReadFile and DeviceCommunicationControl services. An unauthenticated remote attacker could cause a denial of service (bacserv daemon crash) because there is an invalid read in bacdcode.c during parsing of alarm tag numbers.

Metrics

EPSS Probability

33.65%

98.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Bacnet Protocol Stack Project	Bacnet Protocol Stack	<= 0.8.6

References

Timeline

Published: May 30, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-12480?

How severe is CVE-2019-12480?

Severity scoring for CVE-2019-12480 is pending analysis. The EPSS model estimates a 33.65% probability of exploitation in the next 30 days.

How do I fix CVE-2019-12480?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-12480?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST