Auth bypass in Cisco Nx-Os
CVE-2014-3295
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.
Vulnerability class: Broken Authentication
EPSS: 0.011 (62.8th percentile) — read the EPSS interpretation.
Affected products
- Cisco Nx-os — versions 4.1.\(2\), 4.1.\(3\), 4.1.\(4\)
- N/a — versions n/a
Weakness classification (CWE)
References
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
- psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- psirt@cisco.com (Permissions Required, x_refsource_SECUNIA, third-party-advisory)