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Vulnerability Change Records for CVE-2020-15795

Change History

CVE Modified by Siemens AG 8/08/2023 6:15:11 AM

Action Type Old Value New Value
Added CVSS V3.1

								
							
							
						
Siemens AG AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Changed Description
A vulnerability has been identified in Nucleus NET (All versions < V5.2), Nucleus Source Code (Versions including affected DNS modules). The DNS domain name label parsing functionality does not properly validate the names in DNS-responses. The parsing of malformed responses could result in a write past the end of an allocated structure. An attacker with a privileged position in the network could leverage this vulnerability to execute code in the context of the current process or cause a denial-of-service condition.
A vulnerability has been identified in 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), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.20), Nucleus NET (All versions < V5.2), Nucleus Source Code (Versions including affected DNS modules), TALON TC Compact (BACnet) (All versions < V3.5.5), TALON TC Modular (BACnet) (All versions < V3.5.5). The DNS domain name label parsing functionality does not properly validate the names in DNS-responses. The parsing of malformed responses could result in a write past the end of an allocated structure. An attacker with a privileged position in the network could leverage this vulnerability to execute code in the context of the current process or cause a denial-of-service condition.
Added Reference

								
							
							
						
https://cert-portal.siemens.com/productcert/pdf/ssa-180579.pdf [No Types Assigned]
Removed Reference
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-04 [Third Party Advisory, US Government Resource]