Cisco IOS and IOS XE Software IPv6 Hop-by-Hop Options Denial of Service Vulnerability
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 3.8%
exploitation probability
3.8%top 10% of all CVEs
observed exploitation
nono source reports it
A vulnerability in the IPv6 processing code of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to incorrect handling of specific IPv6 hop-by-hop options. An attacker could exploit this vulnerability by sending a malicious IPv6 packet to or through the affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition on an affected device.
Affected products
Cisco · Cisco IOS Software