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CVE-2019-12480

7.5 · HIGH

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 DeviceCommunicationCont…

Published May 30, 2019CWE-125EPSS 33.89%

Overview

CVE-2019-12480 is a high-severity vulnerability. It was published on May 30, 2019 and has a CVSS 3.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refpacketstormsecurity.com/files/153716/BACnet-Stack-0.8.6-Denial-Of-Service.htmlRef1modm.github.io/CVE-2019-12480.htmlRefsourceforge.net/p/bacnet/bugs/62/Refsourceforge.net/p/bacnet/code/3220Refsourceforge.net/p/bacnet/code/3223Refsourceforge.net/p/bacnet/code/3224Refsourceforge.net/p/bacnet/code/3225Refpacketstormsecurity.com/files/153716/BACnet-Stack-0.8.6-Denial-Of-Service.htmlRef1modm.github.io/CVE-2019-12480.htmlRefsourceforge.net/p/bacnet/bugs/62/

How CyberStrike helps

Frequently asked questions

What is CVE-2019-12480?

CVE-2019-12480 is a high-severity vulnerability. It was published on May 30, 2019 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2019-12480?

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-12480?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-12480?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-12480 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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