CVE-2014-3295

CVE-2014-3295 is a medium-severity vulnerability in Cisco Nx-os with a CVSS 2.0 base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.8)
• EPSS exploit prediction: 1% (62nd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-287
• Affected product: Cisco Nx-os
• Published: 2014-06-14
• Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.

How severe is CVE-2014-3295?

CVE-2014-3295 has a CVSS 2.0 base score of 4.8, rated medium severity.

Is CVE-2014-3295 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-3295?

CVE-2014-3295 primarily affects Cisco Nx-os. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-3295?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-3295 published?

CVE-2014-3295 was published on 2014-06-14 and last updated on 2026-06-17.

References

• http://secunia.com/advisories/59158
• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3295
• http://tools.cisco.com/security/center/viewAlert.x?alertId=34585
• http://www.securityfocus.com/bid/67983
• http://www.securitytracker.com/id/1030409

Affected products (34)

• cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:4.1.\(2\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:4.1.\(3\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:4.1.\(4\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:4.1.\(5\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:4.2\(3\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:4.2\(4\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:4.2\(6\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:4.2\(8\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:4.2.\(2a\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:5.0\(2a\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:5.0\(3\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:5.0\(5\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:5.1\(1a\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:5.1\(3\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:5.1\(4\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:5.1\(5\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:5.1\(6\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:5.2\(1\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:5.2\(3a\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:5.2\(4\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:5.2\(5\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:5.2\(7\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:5.2\(9\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:6.0\(1\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:6.0\(2\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:6.0\(3\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:6.0\(4\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:6.1\(1\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:6.1\(2\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:6.1\(3\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:6.1\(4\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:6.1\(4a\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:nx-os:6.2\(2\):*:*:*:*:*:*:*

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