VULNERABILITY INTELLIGENCE
CVE-2013-6683
CVSS score6.1 MEDIUM
EPSS probability0.74%
CISA KEVNot currently listed
Published2013-11-13
Last modified2026-06-17
CVSS vectorAV:A/AC:L/Au:N/C:N/I:N/A:C
Description
The IPv6 implementation in Cisco NX-OS does not properly handle neighbor-table adjacencies, which allows remote attackers to cause a denial of service (NS processing outage) via a series of malformed packets, aka Bug ID CSCtd15904.
Weakness classification
- CWE-20: Improper Input Validation
Primary references
- psirt@cisco.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory