CVE-2014-3295

Name: CVE-2014-3295
Creator: NVD / NIST
Published: 2014-06-14T04:26:47.173+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.12%

Last modified Jun 17, 2026

CVE-2014-3295 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.12% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.12%

61.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Cisco	Nx-Os	<= 6.2\(2a\)
Cisco	Nx-Os	4.1.\(2\)
Cisco	Nx-Os	4.1.\(3\)
Cisco	Nx-Os	4.1.\(4\)
Cisco	Nx-Os	4.1.\(5\)
Cisco	Nx-Os	4.2\(3\)
Cisco	Nx-Os	4.2\(4\)
Cisco	Nx-Os	4.2\(6\)
Cisco	Nx-Os	4.2\(8\)
Cisco	Nx-Os	4.2.\(2a\)
Cisco	Nx-Os	5.0\(2a\)
Cisco	Nx-Os	5.0\(3\)
Cisco	Nx-Os	5.0\(5\)
Cisco	Nx-Os	5.1\(1a\)
Cisco	Nx-Os	5.1\(3\)
Cisco	Nx-Os	5.1\(4\)
Cisco	Nx-Os	5.1\(5\)
Cisco	Nx-Os	5.1\(6\)
Cisco	Nx-Os	5.2\(1\)
Cisco	Nx-Os	5.2\(3a\)
Cisco	Nx-Os	5.2\(4\)
Cisco	Nx-Os	5.2\(5\)
Cisco	Nx-Os	5.2\(7\)
Cisco	Nx-Os	5.2\(9\)
Cisco	Nx-Os	6.0\(1\)
Cisco	Nx-Os	6.0\(2\)
Cisco	Nx-Os	6.0\(3\)
Cisco	Nx-Os	6.0\(4\)
Cisco	Nx-Os	6.1\(1\)
Cisco	Nx-Os	6.1\(2\)
Cisco	Nx-Os	6.1\(3\)
Cisco	Nx-Os	6.1\(4\)
Cisco	Nx-Os	6.1\(4a\)
Cisco	Nx-Os	6.2\(2\)

References

http://secunia.com/advisories/59158Permissions Required
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3295Vendor Advisory
http://tools.cisco.com/security/center/viewAlert.x?alertId=34585Vendor Advisory
http://www.securityfocus.com/bid/67983Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1030409Third Party Advisory, VDB Entry
http://secunia.com/advisories/59158Permissions Required
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3295Vendor Advisory
http://tools.cisco.com/security/center/viewAlert.x?alertId=34585Vendor Advisory
http://www.securityfocus.com/bid/67983Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1030409Third Party Advisory, VDB Entry

Timeline

Published: Jun 14, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-3295?

How severe is CVE-2014-3295?

Severity scoring for CVE-2014-3295 is pending analysis. The EPSS model estimates a 1.12% probability of exploitation in the next 30 days.

How do I fix CVE-2014-3295?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-3295?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST