CVE-2013-6683

Severity: medium (CVSS 6.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-11-13 · updated 2026-06-17
Weakness: CWE-20

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.

Affected products

Cisco NX-OS: all versions

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6683
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6683

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