The HSRP implementation in Cisco NX-OS 6.2(2a) and earlier allows remote attackers to bypass authentication and cause a denial of service (group-member state modification and traffic blackholing) via malformed HSRP packets, aka Bug ID CSCup11309.
http://www.securitytracker.com/id/1030409
http://www.securityfocus.com/bid/67983
http://tools.cisco.com/security/center/viewAlert.x?alertId=34585
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3295
http://secunia.com/advisories/59158
Source: Mitre, NVD
Published: 2014-06-14
Updated: 2025-04-12
Base Score: 4.8
Vector: CVSS2#AV:A/AC:L/Au:N/C:N/I:P/A:P
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.01123