CVE-2015-4199
High
Description
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.
SeverityHigh
CVSS7.1
Exploit probability—
Product
Cisco Ios
PublishedJun 27, 2015
First seenJun 27, 2015
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco ios | 15.3s | — |
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