VulnerabilityAnalyzed
CVE-2023-51773
BACnet Stack before 1.3.2 has a decode function APDU buffer over-read in bacapp_decode_application_data in bacapp.c.
CRITICAL 9.1EPSS 1.05%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
BACnet Stack before 1.3.2 has a decode function APDU buffer over-read in bacapp_decode_application_data in bacapp.c.
- CVSS 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- EPSS
- 1.05% probability · 62th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-126
- Affected
- bacnetstack/bacnet stack
- Source
- cve@mitre.org
References
- https://github.com/bacnet-stack/bacnet-stack/blob/master/CHANGELOG.mdRelease Notes
- https://github.com/bacnet-stack/bacnet-stack/compare/bacnet-stack-1.3.1...bacnet-stack-1.3.2Patch
- https://github.com/bacnet-stack/bacnet-stack/pull/546Patch
- https://github.com/bacnet-stack/bacnet-stack/pull/546/commits/c465412a076ca6c9ddf649612f2b4e1874d8dcb8Patch
- https://sourceforge.net/p/bacnet/bugs/85/Permissions Required
- https://github.com/bacnet-stack/bacnet-stack/blob/master/CHANGELOG.mdRelease Notes
- https://github.com/bacnet-stack/bacnet-stack/compare/bacnet-stack-1.3.1...bacnet-stack-1.3.2Patch
- https://github.com/bacnet-stack/bacnet-stack/pull/546Patch
- https://github.com/bacnet-stack/bacnet-stack/pull/546/commits/c465412a076ca6c9ddf649612f2b4e1874d8dcb8Patch
- https://sourceforge.net/p/bacnet/bugs/85/Permissions Required
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.