HIGH · 7.8

CVE-2015-4200

Memory leak 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 (memory consumption)...

Vulnerability Description

Memory leak 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 (memory consumption) by triggering an error during CPE negotiation, aka Bug ID CSCug00885.

CVSS Score

7.8

HIGH

AV:N/AC:L/Au:N/C:N/I:N/A:C
Confidentiality
NONE
Integrity
NONE
Availability
COMPLETE

Affected Products

VendorProductVersions
CiscoIos15.3\(3\)s

Related Weaknesses (CWE)

References

FAQ

What is CVE-2015-4200?

CVE-2015-4200 is a vulnerability with a CVSS score of 7.8 (HIGH). Memory leak 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 (memory consumption)...

How severe is CVE-2015-4200?

CVE-2015-4200 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2015-4200?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios.