What’s Vulnerable › Vulnerabilities

CVE-2014-2176

• Severity: high (CVSS 7.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-06-14 · updated 2026-06-17
• Weakness: CWE-399

Description

Cisco IOS XR 4.1.2 through 5.1.1 on ASR 9000 devices, when a Trident-based line card is used, allows remote attackers to cause a denial of service (NP chip and line card reload) via malformed IPv6 packets, aka Bug ID CSCun71928.

Affected products

• Cisco Asr 9001: all versions
• Cisco Asr 9006: all versions
• Cisco Asr 9010: all versions
• Cisco Asr 9904: all versions
• Cisco Asr 9912: all versions
• Cisco Asr 9922: all versions
• Cisco IOS XR Software: 4.1.2, 4.2.0, 4.3.1, 5.1.0, 5.1.1

References

• http://secunia.com/advisories/58722
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140611-ipv6
• http://www.securityfocus.com/bid/68005
• http://www.securitytracker.com/id/1030400
• http://secunia.com/advisories/58722
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140611-ipv6
• http://www.securityfocus.com/bid/68005
• http://www.securitytracker.com/id/1030400

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