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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…
Medium4.3EPSS 2.2%
- Published
- Updated
- Reserved
- Assigned by
- cisco
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 2.2% · top 17% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Weakness
Affected products
n/a
- affected n/a
References (6)
- http://tools.cisco.com/security/center/viewAlert.x?alertId=35651 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 60122 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 20140908 Cisco IOS XR Software DHCPv6 Denial Of Service Vulnerability (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- 1030816 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 69667 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- ciscoiosxr-cve20143343-dos(95781) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2014-3343)Record last updated .