CVE-2019-12480

moderate-risk
Published 2019-05-30

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.

Do I need to act?

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15.5% chance of exploitation in next 30 days
EPSS score — higher than 85% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

44
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 13/34 · Low
Exposure 5/34 · Minimal