Vulnerability · Published May 12, 2024 · Assigned by VulDB
CVE-2024-4791Contemporary Control System BASrouter BACnet BASRT-B Application Protocol Data Unit denial of service
High 7.5
In plain English
A high-severity security flaw in BASrouter BACnet BASRT-B from Contemporary Control System. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities).
Official description
A vulnerability classified as critical was found in Contemporary Control System BASrouter BACnet BASRT-B 2.7.2. This vulnerability affects unknown code of the component Application Protocol Data Unit. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-263890 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Contemporary Control System | BASrouter BACnet BASRT-B | 2.7.2 |
Weakness: CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- VDB-263890 | Contemporary Control System BASrouter BACnet BASRT-B Application Protocol Data Unit denial of service vdb-entry
- VDB-263890 | CTI Indicators (IOB, IOC, TTP) signature, permissions-required
- Submit #323630 | Contemporary Control System BASRT-B 2.7.2 Denial of Service third-party-advisory
- https://github.com/isZzzz/BASRT-B_BACnet_Router_Document/blob/main/BASRT-B_2_CVE_apply.pdf broken-link
- https://github.com/isZzzz/BASRT-B_BACnet_Router_Document/blob/main/BASER-B_APDU.pcapng broken-link, exploit