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Unrated severityNVD Advisory· Published Feb 16, 2015· Updated Jun 17, 2026

CVE-2015-0609

CVE-2015-0609

Description

Race condition in the Common Classification Engine (CCE) in the Measurement, Aggregation, and Correlation Engine (MACE) implementation in Cisco IOS 15.4(2)T3 and earlier allows remote attackers to cause a denial of service (device reload) via crafted network traffic that triggers improper handling of the timing of process switching and Cisco Express Forwarding (CEF) switching, aka Bug ID CSCuj96752.

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

Affected products

11
  • Cisco Systems, Inc./Cisco iOS11 versions
    cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*+ 10 more
    • cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*range: <=15.4\(2\)t3
    • cpe:2.3:o:cisco:ios:15.4\(1\)t:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.4\(1\)t1:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.4\(1\)t2:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.4\(1\)t3:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.4\(1\)t4:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.4\(2\)t:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.4\(2\)t1:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.4\(2\)t2:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.4t:*:*:*:*:*:*:*
    • (no CPE)range: <=15.4(2)T3

Patches

Vulnerability mechanics

References

5

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