CVE-2015-0609

Severity: high (CVSS 7.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-02-16 · updated 2026-06-17
Weakness: CWE-362

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.

Affected products

Cisco IOS: through 15.4\(2\)t3; 15.4(1)t, 15.4(1)t1, 15.4(1)t2, 15.4(1)t3, 15.4(1)t4, 15.4(2)t (+3)

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0609
http://tools.cisco.com/security/center/viewAlert.x?alertId=37420
http://www.securityfocus.com/bid/72564
http://www.securitytracker.com/id/1031731
https://exchange.xforce.ibmcloud.com/vulnerabilities/100809
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0609
http://tools.cisco.com/security/center/viewAlert.x?alertId=37420
http://www.securityfocus.com/bid/72564
http://www.securitytracker.com/id/1031731
https://exchange.xforce.ibmcloud.com/vulnerabilities/100809

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