CVE-2014-3295

Severity: medium (CVSS 4.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-06-14 · updated 2026-06-17
Weakness: CWE-287

Description

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.

Affected products

Cisco NX-OS: through 6.2\(2a\); 4.1.(2), 4.1.(3), 4.1.(4), 4.1.(5), 4.2(3), 4.2(4) (+27)

References

http://secunia.com/advisories/59158
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3295
http://tools.cisco.com/security/center/viewAlert.x?alertId=34585
http://www.securityfocus.com/bid/67983
http://www.securitytracker.com/id/1030409
http://secunia.com/advisories/59158
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3295
http://tools.cisco.com/security/center/viewAlert.x?alertId=34585
http://www.securityfocus.com/bid/67983
http://www.securitytracker.com/id/1030409

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