CVE - CVE-2020-27738

CVE-ID
CVE-2020-27738	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
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), Nucleus ReadyStart V3 (All versions < V2017.02.3), Nucleus ReadyStart V4 (All versions < V4.1.0), Nucleus Source Code (Versions including affected DNS modules), SIMOTICS CONNECT 400 (All versions < V0.5.0.0), TALON TC Compact (BACnet) (All versions < V3.5.5), TALON TC Modular (BACnet) (All versions < V3.5.5). The DNS domain name record decompression functionality does not properly validate the pointer offset values. The parsing of malformed responses could result in a read access past the end of an allocated structure. An attacker with a privileged position in the network could leverage this vulnerability to cause a denial-of-service condition.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://cert-portal.siemens.com/productcert/pdf/ssa-180579.pdf URL:https://cert-portal.siemens.com/productcert/pdf/ssa-180579.pdf MISC:https://cert-portal.siemens.com/productcert/pdf/ssa-669158.pdf URL:https://cert-portal.siemens.com/productcert/pdf/ssa-669158.pdf MISC:https://cert-portal.siemens.com/productcert/pdf/ssa-705111.pdf URL:https://cert-portal.siemens.com/productcert/pdf/ssa-705111.pdf
Assigning CNA
Siemens
Date Record Created
20201026	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20201026)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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