CVE-2020-3931 – GeoVision Door Access Control Device - Buffer overflow vulnerability

https://notcve.org/view.php?id=CVE-2020-3931

Buffer overflow exists in Geovision Door Access Control device family, an unauthenticated remote attacker can execute arbitrary command. Un desbordamiento del búfer se presenta en la familia de dispositivos de Geovision Door Access Control, un atacante remoto no autenticado puede ejecutar un comando arbitrario • https://www.acronis.com/en-us/blog/posts/backdoor-wide-open-critical-vulnerabilities-uncovered-geovision https://www.twcert.org.tw/tw/cp-132-3754-b77d0-1.html • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •