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Unrated severityNVD Advisory· Published Mar 26, 2015· Updated Jun 17, 2026

CVE-2015-0639

CVE-2015-0639

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

12
  • Cisco Systems, Inc./iOS Xe12 versions
    cpe:2.3:o:cisco:ios_xe:3.6s:*:*:*:*:*:*:*+ 11 more
    • cpe:2.3:o:cisco:ios_xe:3.6s:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:3.6s.0:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:3.6s.1:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:3.6s.2:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:3.7s:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:3.7s.0:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:3.7s.1:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:3.7s.2:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:3.7s.3:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:3.7s.4:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:3.7s.5:*:*:*:*:*:*:*
    • (no CPE)range: 3.6 through 3.15 before respective point releases

Patches

Vulnerability mechanics

References

2

News mentions

0

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