CVSS: 8.1EPSS: 0%CPEs: 2EXPL: 0CVE-2021-34595 – CODESYS V2 runtime: out-of-bounds read or write access may result in denial-of-service
https://notcve.org/view.php?id=CVE-2021-34595
26 Oct 2021 — A crafted request with invalid offsets may cause an out-of-bounds read or write access in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition or local memory overwrite. Una petición diseñada con valores no válidos puede causar un acceso de lectura o escritura fuera de límites en CODESYS V2 Runtime Toolkit 32 Bit full y PLCWinNT versiones anteriores a V2.4.7.56, resultando en una condición de denegación de servicio o una escritura excesi... • https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16878&token=e5644ec405590e66aefa62304cb8632df9fc9e9c&download= • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-823: Use of Out-of-range Pointer Offset •
CVSS: 7.5EPSS: 0%CPEs: 2EXPL: 3CVE-2021-34593 – CODESYS V2 runtime: unauthenticated invalid requests may result in denial-of-service
https://notcve.org/view.php?id=CVE-2021-34593
26 Oct 2021 — In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid requests may result in several denial-of-service conditions. Running PLC programs may be stopped, memory may be leaked, or further communication clients may be blocked from accessing the PLC. En CODESYS V2 Runtime Toolkit 32 Bit full y PLCWinNT versiones anteriores a V2.4.7.56, las peticiones no válidas diseñadas sin autenticación pueden resultar en varias condiciones de denegación de servicio.... • https://packetstorm.news/files/id/165874 • CWE-755: Improper Handling of Exceptional Conditions •
CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 0CVE-2021-33486
https://notcve.org/view.php?id=CVE-2021-33486
03 Aug 2021 — All versions of the CODESYS V3 Runtime Toolkit for VxWorks from version V3.5.8.0 and before version V3.5.17.10 have Improper Handling of Exceptional Conditions. Todas las versiones de CODESYS V3 Runtime Toolkit para VxWorks a partir de la versión V3.5.8.0 y versiones anteriores V3.5.17.10, presentan un Manejo Inapropiado de Condiciones Excepcionales • https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14806&token=637e12e86301b83beac1653bd88da3aa5aa3f51b&download= • CWE-755: Improper Handling of Exceptional Conditions •
CVSS: 7.5EPSS: 0%CPEs: 16EXPL: 0CVE-2021-36763
https://notcve.org/view.php?id=CVE-2021-36763
03 Aug 2021 — In CODESYS V3 web server before 3.5.17.10, files or directories are accessible to External Parties. En CODESYS V3 web server versiones anteriores a 3.5.17.10, los archivos o directorios son accesibles para las partes externas • https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16803&token=0b8edf9276dc39ee52f43026c415c5b38085d90a&download= • CWE-552: Files or Directories Accessible to External Parties •
CVSS: 9.8EPSS: 0%CPEs: 16EXPL: 0CVE-2021-33485
https://notcve.org/view.php?id=CVE-2021-33485
03 Aug 2021 — CODESYS Control Runtime system before 3.5.17.10 has a Heap-based Buffer Overflow. CODESYS Control Runtime system versiones anteriores a 3.5.17.10, presenta un Desbordamiento de Buffer en la región Heap de la memoria • https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14805&token=f0b86f99bb302ddd4aadec483aed5f5d3fddbf1a&download= • CWE-787: Out-of-bounds Write •
CVSS: 7.5EPSS: 1%CPEs: 2EXPL: 0CVE-2021-30195
https://notcve.org/view.php?id=CVE-2021-30195
25 May 2021 — CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation. CODESYS V2 runtime system versiones anteriores a 2.4.7.55, presenta una Comprobación Inapropiada de la Entrada • https://customers.codesys.com/index.php • CWE-125: Out-of-bounds Read •
CVSS: 7.5EPSS: 1%CPEs: 2EXPL: 0CVE-2021-30186
https://notcve.org/view.php?id=CVE-2021-30186
25 May 2021 — CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow. CODESYS V2 runtime system SP versiones anteriores a 2.4.7.55, presenta un Desbordamiento del Búfer en la región Heap de la memoria • https://customers.codesys.com/index.php • CWE-787: Out-of-bounds Write •
CVSS: 5.3EPSS: 0%CPEs: 1EXPL: 0CVE-2021-30187
https://notcve.org/view.php?id=CVE-2021-30187
25 May 2021 — CODESYS V2 runtime system SP before 2.4.7.55 has Improper Neutralization of Special Elements used in an OS Command. CODESYS V2 runtime system SP versiones anteriores a 2.4.7.55, presenta una Neutralización Inapropiada de Elementos Especiales utilizados en un Comando del Sistema Operativo • https://customers.codesys.com/index.php • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') •
CVSS: 7.5EPSS: 0%CPEs: 24EXPL: 0CVE-2021-29242
https://notcve.org/view.php?id=CVE-2021-29242
03 May 2021 — CODESYS Control Runtime system before 3.5.17.0 has improper input validation. Attackers can send crafted communication packets to change the router's addressing scheme and may re-route, add, remove or change low level communication packages. El sistema CODESYS Control Runtime versiones anteriores a 3.5.17.0, presenta una comprobación inapropiada de entrada. Los atacantes pueden enviar paquetes de comunicación diseñados para cambiar el esquema de direccionamiento del enrutador y pueden redireccionar, ag... • https://customers.codesys.com/index.php • CWE-20: Improper Input Validation •
CVSS: 7.5EPSS: 0%CPEs: 12EXPL: 0CVE-2021-29241
https://notcve.org/view.php?id=CVE-2021-29241
03 May 2021 — CODESYS Gateway 3 before 3.5.16.70 has a NULL pointer dereference that may result in a denial of service (DoS). CODESYS Gateway versiones 3 anteriores a 3.5.16.70 tiene una derivación de puntero NULL que puede resultar en una denegación de servicio (DoS) • https://customers.codesys.com/index.php • CWE-476: NULL Pointer Dereference •