CVE-2021-27391

Summary: CVE-2021-27391 affects Siemens APOGEE and TALON devices. The vulnerability is a buffer overflow in the web server caused by improper bounds checking when parsing the Host header in HTTP requests. The issue affects multiple products/versions: APOGEE MBC (PPC) and APOGEE MEC (PPC) with ver...

Siemens Nucleus Improper Input Validation

A vulnerability has been identified in APOGEE MEC/MBC/PXC P2 All versions = V3.0, APOGEE PXC Series P2 All versions = V2.8.2, Desigo PXC Power PC All versions = V2.3x and = V2.3x and = V3.0, VSTAR All versions. By sending specially crafted DHCP packets to a device where the DHCP client is enabled...

CVE-2021-25677

A vulnerability has been identified in APOGEE PXC Compact BACnet All versions = V0.5.0.0 V1.0.0.0, TALON TC Compact BACnet All versions V3.5.5, TALON TC Modular BACnet All versions V3.5.5. The DNS client does not properly randomize DNS transaction IDs. That could allow an attacker to poison the D...

CVE-2020-27009

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 Version...

CVE-2020-15795

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 Version...

Race 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 Version...

CVE-2021-25677

A vulnerability has been identified in APOGEE PXC Compact BACnet All versions = V0.5.0.0 V1.0.0.0, TALON TC Compact BACnet All versions V3.5.5, TALON TC Modular BACnet All versions V3.5.5. The DNS client does not properly randomize DNS transaction IDs. That could allow an attacker to poison the D...

CVE-2021-25677

CVE-2021-25677 concerns DNS transaction ID randomness in Siemens DNS clients across multiple products (APOGEE PXC BACnet/P2 Ethernet, Nucleus NET/ReadyStart, SIMOTICS CONNECT 400, TALON TC). Root cause: DNS client does not properly randomize transaction IDs, enabling potential DNS cache poisoning...

CVE-2020-27738

CVE-2020-27738 concerns the DNS domain name record decompression in Siemens APOGEE PXC/TALON, Nucleus, SIMOTICS CONNECT 400 and related DNS modules. The issue is improper validation of pointer offsets during DNS response parsing, which can cause a read past the end of an allocated structure and l...

CVE-2020-27736

Summary (supported): CVE-2020-27736 affects Siemens APOGEE PXC (BACnet and P2 Ethernet), Nucleus NET/ReadyStart/Source Code, SIMOTICS CONNECT 400, TALON TC (and related Nucleus/DNS modules). The vulnerability stems from improper validation in the DNS domain name label parsing of DNS responses, wh...

CVE-2020-27737

Siemens APOGEE PXC, Nucleus and TALON/SIMOTICS products are affected by a DNS response parsing vulnerability that can read past allocated memory when processing malformed DNS responses. A privileged attacker on the network could cause a denial of service or memory leakage. Remediation is to updat...

PT-2021-2646 · Siemens +1 · Simotics Connect 400 +8

Name of the Vulnerable Software and Affected Versions: APOGEE PXC Compact BACnet versions prior to V3.5.5 APOGEE PXC Compact P2 Ethernet versions prior to V2.8.20 APOGEE PXC Modular BACnet versions prior to V3.5.5 APOGEE PXC Modular P2 Ethernet versions prior to V2.8.20 Nucleus NET affected...

PT-2021-2645 · Unknown · Apogee Pxc Compact +5

Name of the Vulnerable Software and Affected Versions: APOGEE PXC Compact BACnet versions prior to V3.5.5 APOGEE PXC Compact P2 Ethernet versions prior to V2.8.20 APOGEE PXC Modular BACnet versions prior to V3.5.5 APOGEE PXC Modular P2 Ethernet versions prior to V2.8.20 Nucleus NET versions prior...

PT-2021-2648 · Siemens +1 · Simotics Connect 400 +7

Name of the Vulnerable Software and Affected Versions: APOGEE PXC Compact BACnet versions prior to V3.5.5 APOGEE PXC Compact P2 Ethernet versions prior to V2.8.20 APOGEE PXC Modular BACnet versions prior to V3.5.5 APOGEE PXC Modular P2 Ethernet versions prior to V2.8.20 Nucleus NET affected...

CVE-2020-28388

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 ReadyStart V3 All...

Buffer overflow

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 ReadyStart V3 All...

PT-2021-7763 · Unknown · Nucleus Net +7

Name of the Vulnerable Software and Affected Versions: APOGEE PXC Compact BACnet versions prior to V3.5.5 APOGEE PXC Compact P2 Ethernet versions prior to V2.8.20 APOGEE PXC Modular BACnet versions prior to V3.5.5 APOGEE PXC Modular P2 Ethernet versions prior to V2.8.20 Nucleus NET versions prior...

CVE-2020-28388

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 ReadyStart V3 All...

CVE-2020-28388

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 ReadyStart V3 All...

CVE-2020-28388

The CVE-2020-28388 issue affects Siemens APOGEE PXC and TALON TC series, Nucleus NET/ReadyStart/Source Code, PLUSCONTROL, and related products. Root cause: Initial Sequence Numbers (ISNs) for TCP connections are derived from an insufficiently random source, making current and future ISNs predicta...