The ARP implementation in Cisco NX-OS on Nexus 1000V devices for VMware vSphere…
Priority LOW 29CWE-399Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
The ARP implementation in Cisco NX-OS on Nexus 1000V devices for VMware vSphere 5.2(1)SV3(1.4), Nexus 3000 devices 7.3(0)ZD(0.47), Nexus 4000 devices 4.1(2)E1, Nexus 9000 devices 7.3(0)ZD(0.61), and MDS 9000 devices 7.0(0)HSK(0.353) and SAN-OS NX-OS on MDS 9000 devices 7.0(0)HSK(0.353) allows remote attackers to cause a denial of service (ARP process restart) via crafted packet-header fields, aka Bug ID CSCut25292.
Why it matters now
EPSS 0.00885 59th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:nx-os:7.3\(0\)zd\(0.47\):*:*:*:*:*:*:* | 7.3(0)zd(0.47) | Vulnerable | Cisco |
| cpe:2.3:h:cisco:nexus_3000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:nx-os:4.1\(2\)e1:*:*:*:*:*:*:* | 4.1(2)e1 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:nexus_4000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:nx-os:7.0\(0\)hsk\(0.353\):*:*:*:*:*:*:* | 7.0(0)hsk(0.353) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:san-os:7.0\(0\)hsk\(0.353\):*:*:*:*:*:*:* | 7.0(0)hsk(0.353) | Vulnerable | Cisco |
| cpe:2.3:h:cisco:mds_9000:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:7.3\(0\)zd\(0.61\):*:*:*:*:*:*:* | 7.3(0)zd(0.61) | Vulnerable | Cisco |
| cpe:2.3:h:cisco:nexus_9000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:a:cisco:1000v:5.2\(1\)sv3\(1.4\):-:*:*:*:vmware_vsphere:*:* | 5.2(1)sv3(1.4) | Vulnerable | Cisco |
- cpe:2.3:o:cisco:nx-os:7.3\(0\)zd\(0.47\):*:*:*:*:*:*:* Versions 7.3(0)zd(0.47) Vulnerable ·Cisco
- cpe:2.3:h:cisco:nexus_3000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:nx-os:4.1\(2\)e1:*:*:*:*:*:*:* Versions 4.1(2)e1 Vulnerable ·Cisco
- cpe:2.3:h:cisco:nexus_4000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:nx-os:7.0\(0\)hsk\(0.353\):*:*:*:*:*:*:* Versions 7.0(0)hsk(0.353) Vulnerable ·Cisco
- cpe:2.3:o:cisco:san-os:7.0\(0\)hsk\(0.353\):*:*:*:*:*:*:* Versions 7.0(0)hsk(0.353) Vulnerable ·Cisco
- cpe:2.3:h:cisco:mds_9000:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:7.3\(0\)zd\(0.61\):*:*:*:*:*:*:* Versions 7.3(0)zd(0.61) Vulnerable ·Cisco
- cpe:2.3:h:cisco:nexus_9000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:a:cisco:1000v:5.2\(1\)sv3\(1.4\):-:*:*:*:vmware_vsphere:*:* Versions 5.2(1)sv3(1.4) Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2015-6277
- 2026-10-03 Alias added: GHSA-mgmf-hg59-85fw
References
Sources
- CVE-2015-6277 · CVE Program
- CVE-2015-6277 · NVD
- FIRST EPSS
- GHSA-mgmf-hg59-85fw · GitHub Advisory Database · CC BY 4.0
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