CVE Catalog

CVE-2016-1348

High
Published: Translated: NVD NIST

Summary

Cisco IOS versions 15.0 through 15.5 and IOS XE versions 3.3 through 3.16 are vulnerable to an attack that can lead to denial of service via a crafted DHCPv6 Relay message. Attackers can remotely cause the device to reload.

Risk Assessment

Denial of service can lead to network downtime and loss of availability of critical services. This may impact organizational operations and user trust.

Recommendation

It is recommended to update IOS or IOS XE to the latest version to mitigate this vulnerability. Additionally, monitor DHCPv6 traffic for potential attacks.

Related vulnerabilities

Original NVD description (English source)

Cisco IOS 15.0 through 15.5 and IOS XE 3.3 through 3.16 allow remote attackers to cause a denial of service (device reload) via a crafted DHCPv6 Relay message, aka Bug ID CSCus55821.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS