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Vulnerability record · CVE-2012-3919 · published 16 September 2012

CVE-2012-3919: Cisco application control engine module vulnerability

Cisco · Application Control Engine Module

The Cisco Application Control Engine (ACE) module 3.0 for Cisco Catalyst switches and Cisco routers does not properly monitor Load Balancer (LB) queues, which allows remote attackers to cause a denial of service (incorrect memory access and module reboot) via application traffic, aka Bug ID CSCtw70879.

5.0 CVSS 2.0 Medium EPSS 1.2% · top 32.2% CWE-399 · CWE-399
5.0CVSS 2.0 base score
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
16 Jun 2026Last modified by NVD

Description

The Cisco Application Control Engine (ACE) module 3.0 for Cisco Catalyst switches and Cisco routers does not properly monitor Load Balancer (LB) queues, which allows remote attackers to cause a denial of service (incorrect memory access and module reboot) via application traffic, aka Bug ID CSCtw70879.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.cisco.com/en/US/docs/interfaces_modules/services_modules/ace/vA2_3_x/Release/Note/RACEA2_3_X.html Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/78808
http://www.cisco.com/en/US/docs/interfaces_modules/services_modules/ace/vA2_3_x/Release/Note/RACEA2_3_X.html Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/78808

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-3919), CISA KEV, FIRST EPSS (scores of 2026-10-10). This page is refreshed as NVD updates the record.