What’s Vulnerable › Vulnerabilities

CVE-2014-3343

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-09-10 · updated 2026-06-17
• Weakness: CWE-20

Description

Cisco IOS XR 5.1 allows remote attackers to cause a denial of service (DHCPv6 daemon crash) via a malformed DHCPv6 packet, aka Bug ID CSCuo59052.

Affected products

• Cisco IOS XR Software: 5.1.0

References

• http://secunia.com/advisories/60122
• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3343
• http://tools.cisco.com/security/center/viewAlert.x?alertId=35651
• http://www.securityfocus.com/bid/69667
• http://www.securitytracker.com/id/1030816
• https://exchange.xforce.ibmcloud.com/vulnerabilities/95781
• http://secunia.com/advisories/60122
• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3343
• http://tools.cisco.com/security/center/viewAlert.x?alertId=35651
• http://www.securityfocus.com/bid/69667
• http://www.securitytracker.com/id/1030816
• https://exchange.xforce.ibmcloud.com/vulnerabilities/95781

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