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.
Does this matter?
Lower severity and a low EPSS score (1.74%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 1.74% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- cisco/sg200-50 firmware · cisco/sg200-50p firmware · cisco/sg200-50fp firmware · cisco/sg200-26 firmware · cisco/sg200-26p firmware · cisco/sg200-26fp firmware · cisco/sg200-18 firmware · cisco/sg200-10fp firmware · cisco/sg200-08 firmware · cisco/sg200-08p firmware · cisco/sf200-24 firmware · cisco/sf200-24p firmware · cisco/sf200-24fp firmware · cisco/sf200-48 firmware · cisco/sf200-48p firmware · cisco/sf302-08pp firmware · cisco/sf302-08mpp firmware · cisco/sg300-10pp firmware · cisco/sg300-10mpp firmware · cisco/sf300-24pp firmware · +40 more
- Source
- psirt@cisco.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.