CVE-2020-3496

A vulnerability in the IPv6 packet processing engine of Cisco Small Business Smart and Managed Switches could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient validation of incoming IPv6 traffic. An attacker could exploit this vulnerability by sending a crafted IPv6 packet through an affected device. A successful exploit could allow the attacker to cause the switch management CLI to stop responding, resulting in a DoS condition. This vulnerability is specific to IPv6 traffic. IPv4 traffic is not affected.

• cisco sg200-50 firmware (<= 2.5.5.47) • cisco sg200-50p firmware (<= 2.5.5.47) • cisco sg200-50fp firmware (<= 2.5.5.47) • cisco sg200-26 firmware (<= 2.5.5.47) • cisco sg200-26p firmware (<= 2.5.5.47) • cisco sg200-26fp firmware (<= 2.5.5.47) • cisco sg200-18 firmware (<= 2.5.5.47) • cisco sg200-10fp firmware (<= 2.5.5.47) • cisco sg200-08 firmware (<= 2.5.5.47) • cisco sg200-08p firmware (<= 2.5.5.47) • cisco sf200-24 firmware (<= 2.5.5.47) • cisco sf200-24p firmware (<= 2.5.5.47) • cisco sf200-24fp firmware (<= 2.5.5.47) • cisco sf200-48 firmware (<= 2.5.5.47) • cisco sf200-48p firmware (<= 2.5.5.47) • cisco sf302-08pp firmware (<= 2.5.5.47) • cisco sf302-08mpp firmware (<= 2.5.5.47) • cisco sg300-10pp firmware (<= 2.5.5.47) • cisco sg300-10mpp firmware (<= 2.5.5.47) • cisco sf300-24pp firmware (<= 2.5.5.47) • cisco sf300-48pp firmware (<= 2.5.5.47) • cisco sg300-28pp firmware (<= 2.5.5.47) • cisco sf300-08 firmware (<= 2.5.5.47) • cisco sf300-48p firmware (<= 2.5.5.47) • cisco sg300-10mp firmware (<= 2.5.5.47) • cisco sg300-10p firmware (<= 2.5.5.47) • cisco sg300-10 firmware (<= 2.5.5.47) • cisco sg300-28p firmware (<= 2.5.5.47) • cisco sf300-24p firmware (<= 2.5.5.47) • cisco sf302-08mp firmware (<= 2.5.5.47) • cisco sg300-28 firmware (<= 2.5.5.47) • cisco sf300-48 firmware (<= 2.5.5.47) • cisco sg300-20 firmware (<= 2.5.5.47) • cisco sf302-08p firmware (<= 2.5.5.47) • cisco sg300-52 firmware (<= 2.5.5.47) • cisco sf300-24 firmware (<= 2.5.5.47) • cisco sf302-08 firmware (<= 2.5.5.47) • cisco sf300-24mp firmware (<= 2.5.5.47) • cisco sg300-10sfp firmware (<= 2.5.5.47) • cisco sg300-28mp firmware (<= 2.5.5.47) • cisco sg300-52p firmware (<= 2.5.5.47) • cisco sg300-52mp firmware (<= 2.5.5.47) • cisco sg500-28mpp firmware (<= 2.5.5.47) • cisco sg500-52mp firmware (<= 2.5.5.47) • cisco sg500xg-8f8t firmware (<= 2.5.5.47) • cisco sf500-24 firmware (<= 2.5.5.47) • cisco sf500-24p firmware (<= 2.5.5.47) • cisco sf500-48 firmware (<= 2.5.5.47) • cisco sf500-48p firmware (<= 2.5.5.47) • cisco sg500-28 firmware (<= 2.5.5.47) • cisco sg500-28p firmware (<= 2.5.5.47) • cisco sg500-52 firmware (<= 2.5.5.47) • cisco sg500-52p firmware (<= 2.5.5.47) • cisco sg500x-24 firmware (<= 2.5.5.47) • cisco sg500x-24p firmware (<= 2.5.5.47) • cisco sg500x-48 firmware (<= 2.5.5.47) • cisco sg500x-48p firmware (<= 2.5.5.47) • cisco sg250x-24 firmware (<= 2.5.5.47) • cisco sg250x-24p firmware (<= 2.5.5.47) • cisco sg250x-48 firmware (<= 2.5.5.47) … and 54 more