CVE-2014-3343

Name: CVE-2014-3343
Creator: NVD / NIST
Published: 2014-09-10T10:55:07.833+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.20%

Last modified Jun 17, 2026

CVE-2014-3343 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.20% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.20%

80.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Cisco	Ios Xr	5.1.0

References

Timeline

Published: Sep 10, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-3343?

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.

How severe is CVE-2014-3343?

Severity scoring for CVE-2014-3343 is pending analysis. The EPSS model estimates a 2.20% probability of exploitation in the next 30 days.

How do I fix CVE-2014-3343?

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-2014-3343?

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

Scan your code now

Source: NVD / NIST