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
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.8 (Medium). Vector: AV:A/AC:L/Au:N/C:N/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.011 (64.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Cisco Nx-Os — versions 5.2(1), 4.2(8), 5.0\(3\)
Weakness classification (CWE)
References
- www.securityfocus.com/bid/67983 (VDB Entry, Third Party Advisory, vdb-entry)
- tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3295 (vendor-advisory, Vendor Advisory)
- tools.cisco.com/security/center/viewAlert.x (Vendor Advisory)
- www.securitytracker.com/id/1030409 (VDB Entry, Third Party Advisory, vdb-entry)
- secunia.com/advisories/59158 (Permissions Required, third-party-advisory)