CVE-2014-3343

Cisco IOS XR 5.1 allows remote attackers to cause a denial of service (DHCPv6 daemon crash) via a...

4.3 Medium

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.

Exploit likelihood

2.20%Up 0.9 points since Feb 4, 2022

What each source reports

NVD Score used 4.3

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.

Record: CVE-2014-3343
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness: CWE-20
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2014-3343
Updated: 2026-11-02

EUVDEUVD-2014-3356 No score

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.

Record: EUVD-2014-3356
Updated: 2026-11-03

GitHub AdvisoriesGHSA-r38f-6v34-qc3q No score

Cisco IOS XR 5.1 allows remote attackers to cause a denial of service (DHCPv6 daemon crash) via a...

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.

Record: GHSA-r38f-6v34-qc3q
Weakness: CWE-20
Updated: 2026-11-02

Affected products

cisco ios xr

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2014-3343 is a medium vulnerability (CVSS 4.3) in Cisco Ios Xr, published September 10, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.20%, the 82nd percentile. No source names a fixed version.

Exploit likelihood

What each source reports

Affected products

History

In short

References