CVE-2015-4199

2015-06-2710:00:00

cisco

www.cve.org

AI Score

6.7

Confidence

High

EPSS

0.002

Percentile

62.2%

JSON

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 free and module crash) by triggering intermittent connectivity with many IPv6 CPE devices, aka Bug ID CSCug47366.