{"id":"CVE-2023-51773","details":"BACnet Stack before 1.3.2 has a decode function APDU buffer over-read in bacapp_decode_application_data in bacapp.c.","modified":"2026-08-12T03:30:10.922792176Z","published":"2023-12-25T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/51xxx/CVE-2023-51773.json"},"references":[{"type":"WEB","url":"https://github.com/bacnet-stack/bacnet-stack/blob/master/CHANGELOG.md"},{"type":"WEB","url":"https://github.com/bacnet-stack/bacnet-stack/compare/bacnet-stack-1.3.1...bacnet-stack-1.3.2"},{"type":"WEB","url":"https://github.com/bacnet-stack/bacnet-stack/pull/546/commits/c465412a076ca6c9ddf649612f2b4e1874d8dcb8"},{"type":"WEB","url":"https://sourceforge.net/p/bacnet/bugs/85/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/51xxx/CVE-2023-51773.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-51773"},{"type":"FIX","url":"https://github.com/bacnet-stack/bacnet-stack/pull/546"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/bacnet-stack/bacnet-stack","events":[{"introduced":"0"},{"fixed":"f64eab736e5f48561f263ddc3002e3c06b770f21"}],"database_specific":{"source":["DESCRIPTION","CPE_RANGE"],"cpe":"cpe:2.3:a:bacnetstack:bacnet_stack:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"1.3.2"}]}}],"versions":["bacnet-stack-1.3.1","bacnet-stack-1.3.0","bacnet-stack-1.2.0","bacnet-stack-1.1.1","bacnet-stack-1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-51773.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"}]}