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CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0

A vulnerability has been identified in SIMATIC S7-1500 CPU (All versions >= V2.0 and < V2.5), SIMATIC S7-1500 CPU (All versions <= V1.8.5). Specially crafted network packets sent to port 80/tcp or 443/tcp could allow an unauthenticated remote attacker to cause a Denial-of-Service condition of the device. The security vulnerability could be exploited by an attacker with network access to the affected systems on port 80/tcp or 443/tcp. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise availability of the device. • https://cert-portal.siemens.com/productcert/pdf/ssa-180635.pdf • CWE-20: Improper Input Validation •

CVSS: 7.5EPSS: 0%CPEs: 4EXPL: 0

A vulnerability has been identified in SIMATIC S7-1200 (All versions), SIMATIC S7-1500 (All Versions < V2.6). An attacker could exhaust the available connection pool of an affected device by opening a sufficient number of connections to the device. Successful exploitation requires an attacker to be able to send packets to port 102/tcp of the affected device. No user interaction and no user privileges are required to exploit the vulnerability. The vulnerability, if exploited, could cause a Denial-of-Service condition impacting the availability of the system. • http://www.securityfocus.com/bid/105928 https://cert-portal.siemens.com/productcert/pdf/ssa-584286.pdf • CWE-400: Uncontrolled Resource Consumption CWE-410: Insufficient Resource Pool •

CVSS: 5.6EPSS: 0%CPEs: 665EXPL: 5

Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka Speculative Store Bypass (SSB), Variant 4. Los sistemas con microprocesadores que emplean la ejecución especulativa y que realizan la ejecución especulativa de lecturas de memoria antes de que se conozcan las direcciones de todas las anteriores escrituras de memoria podrían permitir la divulgación no autorizada de información a un atacante con acceso de usuario local mediante un análisis de canal lateral. Esto también se conoce como Speculative Store Bypass (SSB), Variant 4. An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of Load & Store instructions (a commonly used performance optimization). It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory read from address to which a recent memory write has occurred may see an older value and subsequently cause an update into the microprocessor's data cache even for speculatively executed instructions that never actually commit (retire). • https://www.exploit-db.com/exploits/44695 https://github.com/mmxsrup/CVE-2018-3639 https://github.com/Shuiliusheng/CVE-2018-3639-specter-v4- https://github.com/malindarathnayake/Intel-CVE-2018-3639-Mitigation_RegistryUpdate http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00058.html http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00059.html http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html http://support.lenovo.com/us/en/solutions/LEN-2213 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-203: Observable Discrepancy •

CVSS: 6.5EPSS: 0%CPEs: 26EXPL: 0

A vulnerability has been identified in SIMATIC S7-400 CPU 414-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 414F-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 416-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 416F-3 PN/DP V7 (All versions < V7.0.3), SIMATIC CP 343-1 (incl. SIPLUS variants) (All versions), SIMATIC CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC CP 443-1 (All versions < V3.3), SIMATIC CP 443-1 (All versions < V3.3), SIMATIC CP 443-1 Advanced (All versions < V3.3), SIMATIC ET 200pro IM154-8 PN/DP CPU (All versions < V3.2.16), SIMATIC ET 200pro IM154-8F PN/DP CPU (All versions < V3.2.16), SIMATIC ET 200pro IM154-8FX PN/DP CPU (All versions < V3.2.16), SIMATIC ET 200S IM151-8 PN/DP CPU (All versions < V3.2.16), SIMATIC ET 200S IM151-8F PN/DP CPU (All versions < V3.2.16), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V1.7.0), SIMATIC S7-1500 Software Controller (All versions < V1.7.0), SIMATIC S7-300 CPU 314C-2 PN/DP (All versions < V3.3.16), SIMATIC S7-300 CPU 315-2 PN/DP (All versions < V3.2.16), SIMATIC S7-300 CPU 315F-2 PN/DP (All versions < V3.2.16), SIMATIC S7-300 CPU 315T-3 PN/DP (All versions < V3.2.16), SIMATIC S7-300 CPU 317-2 PN/DP (All versions < V3.2.16), SIMATIC S7-300 CPU 317F-2 PN/DP (All versions < V3.2.16), SIMATIC S7-300 CPU 317T-3 PN/DP (All versions < V3.2.16), SIMATIC S7-300 CPU 317TF-3 PN/DP (All versions < V3.2.16), SIMATIC S7-300 CPU 319-3 PN/DP (All versions < V3.2.16), SIMATIC S7-300 CPU 319F-3 PN/DP (All versions < V3.2.16), SIMATIC S7-400 CPU 412-2 PN V7 (All versions < V7.0.3), SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants) (All versions < V6.0.9), SIMATIC S7-400 PN/DP V6 CPU family (incl. SIPLUS variants) (All versions < V6.0.7), SIMATIC S7-410 CPU family (incl. • https://cert-portal.siemens.com/productcert/pdf/ssa-592007.pdf • CWE-20: Improper Input Validation •

CVSS: 8.7EPSS: 0%CPEs: 76EXPL: 0

Specially crafted packets sent to port 161/udp could cause a denial of service condition. The affected devices must be restarted manually. Se ha identificado una vulnerabilidad en Development/Evaluation Kits para PROFINET IO: DK Standard Ethernet Controller, Development/Evaluation Kits para PROFINET IO: EK-ERTEC 200, Development/Evaluation Kits para PROFINET IO: EK-ERTEC 200P, SIMATIC Compact Field Unit, SIMATIC ET200AL, SIMATIC ET200M (incluidas las variantes SIPLUS), SIMATIC ET200MP IM155-5 PN BA (incluidas las variantes SIPLUS), SIMATIC ET200MP IM155-5 PN HF (incluidas las variantes SIPLUS), SIMATIC ET200MP IM155-5 PN ST (incluidas las variantes SIPLUS), SIMATIC ET200S (incluidas las variantes SIPLUS), SIMATIC ET200SP IM155-6 PN BA (incluidas las variantes SIPLUS), SIMATIC ET200SP IM155-6 PN HA (incluidas las variantes SIPLUS), SIMATIC ET200SP IM155-6 PN HF (incluidas las variantes SIPLUS), SIMATIC ET200SP IM155-6 PN HS (incluidas las variantes SIPLUS), SIMATIC ET200SP IM155-6 PN ST (incluidas las variantes SIPLUS), SIMATIC ET200ecoPN, 16DI, DC24V, 8xM12, SIMATIC ET200ecoPN, 16DO DC24V/1,3A, 8xM12, SIMATIC ET200ecoPN, 4AO U/I 4xM12, SIMATIC ET200ecoPN, 8 DIO, DC24V/1,3A, 8xM12, SIMATIC ET200ecoPN, 8 DO, DC24V/2A, 8xM12, SIMATIC ET200ecoPN, 8AI RTD/TC 8xM12, SIMATIC ET200ecoPN, 8AI; 4 U/I; 4 RTD/TC 8xM12, SIMATIC ET200ecoPN, 8DI, DC24V, 4xM12, SIMATIC ET200ecoPN, 8DI, DC24V, 8xM12, SIMATIC ET200ecoPN, 8DO, DC24V/0,5A, 4xM12, SIMATIC ET200ecoPN, 8DO, DC24V/1,3A, 4xM12, SIMATIC ET200ecoPN, 8DO, DC24V/1,3A, 8xM12, SIMATIC ET200ecoPN: IO-Link Master, SIMATIC ET200pro, SIMATIC PN/PN Coupler (incluidas las variantes SIPLUS NET), familia SIMATIC S7-1200 CPU (incluidas las variantes SIPLUS), familia SIMATIC S7-1500 CPU (incluyendo las variantes relacionadas ET200 CPUs y SIPLUS), SIMATIC S7-1500 Software Controller, SIMATIC S7-200 SMART, familia SIMATIC S7-300 CPU (incluyendo las variantes relacionadas ET200 CPUs y SIPLUS), SIMATIC S7-400 H V6 CPU familia y posteriores (incluidas las variantes SIPLUS), SIMATIC S7-400 PN/DP V6 CPU familia y posteriores (incluidas las variantes SIPLUS), familia SIMATIC S7-400 PN/DP V7 CPU (incluidas las variantes SIPLUS), familia SIMATIC S7-410 V8 CPU (incluidas las variantes SIPLUS), SIMATIC TDC CP51M1, SIMATIC TDC CPU555, SIMATIC WinAC RTX (F) 2010, SIMOCODE pro V EIP (incluidas las variantes SIPLUS), SIMOCODE pro V PN (incluidas las variantes SIPLUS), SIMOTION C, SIMOTION D (incluidas las variantes SIPLUS), SIMOTION D4xx V4.4 para SINAMICS SM150i-2 w. PROFINET (incluidas las variantes SIPLUS), SIMOTION P V4.4 and V4.5, SIMOTION P V5, SINAMICS DCM w. PN, SINAMICS DCP w. • https://cert-portal.siemens.com/productcert/html/ssa-141614.html https://cert-portal.siemens.com/productcert/html/ssa-346262.html https://cert-portal.siemens.com/productcert/html/ssa-546832.html https://cert-portal.siemens.com/productcert/pdf/ssa-141614.pdf https://cert-portal.siemens.com/productcert/pdf/ssa-346262.pdf https://cert-portal.siemens.com/productcert/pdf/ssa-546832.pdf https://www.securityfocus.com/bid/101964 • CWE-400: Uncontrolled Resource Consumption •