Race condition in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine (PRE) module on UBR devices allows remote attackers to cause a denial of service (NULL pointer. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable. No vendor patch available.
Denial Of Service
Apple
iOS
Race Condition
Cisco
NVD
CVSS 2.0
7.1
EPSS
0.5%