CVE-2015-0639

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-03-26 · updated 2026-06-17
Weakness: CWE-20

Description

The Common Flow Table (CFT) feature in Cisco IOS XE 3.6 and 3.7 before 3.7.1S, 3.8 before 3.8.0S, 3.9 before 3.9.0S, 3.10 before 3.10.0S, 3.11 before 3.11.0S, 3.12 before 3.12.0S, 3.13 before 3.13.0S, 3.14 before 3.14.0S, and 3.15 before 3.15.0S, when MMON or NBAR is enabled, allows remote attackers to cause a denial of service (device reload) via malformed IPv6 packets with IPv4 UDP encapsulation, aka Bug ID CSCua79665.

Affected products

Cisco IOS XE: 3.6s, 3.6s.0, 3.6s.1, 3.6s.2, 3.7s, 3.7s.0 (+5)

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150325-iosxe
http://www.securitytracker.com/id/1031981
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150325-iosxe
http://www.securitytracker.com/id/1031981

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