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.
Published 2019-05-30 22:29:00
Updated 2019-07-19 19:15:11
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2019-12480

7.56%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 94 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-12480

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
NIST
7.5
HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
NIST

CWE ids for CVE-2019-12480

  • The product reads data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-12480

Products affected by CVE-2019-12480

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