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Vulnerability record · CVE-2014-2124 · published 21 March 2014

CVE-2014-2124: Cisco ios vulnerability

Cisco · Ios

Cisco IOS 15.1(2)SY3 and earlier, when used with Supervisor Engine 2T (aka Sup2T) on Catalyst 6500 devices, allows remote attackers to cause a denial of service (device crash) via crafted multicast packets, aka Bug ID CSCuf60783.

7.1 CVSS 2.0 High EPSS 2.0% · top 20.3% CWE-399 · CWE-399
7.1CVSS 2.0 base score
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

Description

Cisco IOS 15.1(2)SY3 and earlier, when used with Supervisor Engine 2T (aka Sup2T) on Catalyst 6500 devices, allows remote attackers to cause a denial of service (device crash) via crafted multicast packets, aka Bug ID CSCuf60783.

AV:N/AC:M/Au:N/C:N/I:N/A:C

Affected products

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

References

LinkTags
http://secunia.com/advisories/57515 Permissions Required
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-2124 Vendor Advisory
http://tools.cisco.com/security/center/viewAlert.x?alertId=33413 Vendor Advisory
http://www.securityfocus.com/bid/66301 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1029942 Third Party AdvisoryVDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/91904
http://secunia.com/advisories/57515 Permissions Required
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-2124 Vendor Advisory
http://tools.cisco.com/security/center/viewAlert.x?alertId=33413 Vendor Advisory
http://www.securityfocus.com/bid/66301 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1029942 Third Party AdvisoryVDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/91904

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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-2014-2124), CISA KEV, FIRST EPSS (scores of 2026-10-03). This page is refreshed as NVD updates the record.