DNS Domain Name Record Vulnerability in APOGEE and TALON Systems by Siemens
CVE-2020-27009
8.1HIGH
Key Information:
- Vendor
Siemens
- Status
- Vendor
- CVE Published:
- 22 April 2021
What is CVE-2020-27009?
A vulnerability exists in Siemens' APOGEE and TALON systems where the DNS domain name record decompression functionality fails to validate pointer offset values correctly. This flaw allows an attacker with access to the network to send malformed DNS responses, which can lead to writing beyond the allocated memory. Exploitation of this vulnerability could enable the attacker to execute arbitrary code in the context of the affected process or trigger a denial-of-service condition.
Affected Version(s)
APOGEE PXC Compact (BACnet) All versions < V3.5.5
APOGEE PXC Compact (P2 Ethernet) All versions < V2.8.20
APOGEE PXC Modular (BACnet) All versions < V3.5.5