Cisco Nexus 1000v Application Virtual Switch (AVS) devices before 5.2(1)SV3(1.5i) allow…
Priority LOW 31CWE-399Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
Cisco Nexus 1000v Application Virtual Switch (AVS) devices before 5.2(1)SV3(1.5i) allow remote attackers to cause a denial of service (ESXi hypervisor crash and purple screen) via a crafted Cisco Discovery Protocol packet that triggers an out-of-bounds memory access, aka Bug ID CSCuw57985.
Why it matters now
EPSS 0.00935 60th 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 · 22
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(1\):*:*:*:*:*:*:* | 4.0(4)sv1(1) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(2\):*:*:*:*:*:*:* | 4.0(4)sv1(2) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(3\):*:*:*:*:*:*:* | 4.0(4)sv1(3) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(3a\):*:*:*:*:*:*:* | 4.0(4)sv1(3a) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(3b\):*:*:*:*:*:*:* | 4.0(4)sv1(3b) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(3c\):*:*:*:*:*:*:* | 4.0(4)sv1(3c) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(3d\):*:*:*:*:*:*:* | 4.0(4)sv1(3d) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:4.2\(1\)sv1\(4\):*:*:*:*:*:*:* | 4.2(1)sv1(4) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:4.2\(1\)sv1\(4a\):*:*:*:*:*:*:* | 4.2(1)sv1(4a) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:4.2\(1\)sv1\(4b\):*:*:*:*:*:*:* | 4.2(1)sv1(4b) | Vulnerable | Cisco |
- cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(1\):*:*:*:*:*:*:* Versions 4.0(4)sv1(1) Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(2\):*:*:*:*:*:*:* Versions 4.0(4)sv1(2) Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(3\):*:*:*:*:*:*:* Versions 4.0(4)sv1(3) Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(3a\):*:*:*:*:*:*:* Versions 4.0(4)sv1(3a) Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(3b\):*:*:*:*:*:*:* Versions 4.0(4)sv1(3b) Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(3c\):*:*:*:*:*:*:* Versions 4.0(4)sv1(3c) Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:4.0\(4\)sv1\(3d\):*:*:*:*:*:*:* Versions 4.0(4)sv1(3d) Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:4.2\(1\)sv1\(4\):*:*:*:*:*:*:* Versions 4.2(1)sv1(4) Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:4.2\(1\)sv1\(4a\):*:*:*:*:*:*:* Versions 4.2(1)sv1(4a) Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:4.2\(1\)sv1\(4b\):*:*:*:*:*:*:* Versions 4.2(1)sv1(4b) Vulnerable ·Cisco
Show 12 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:nx-os:4.2\(1\)sv1\(5.1\):*:*:*:*:*:*:* | 4.2(1)sv1(5.1) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:4.2\(1\)sv1\(5.1a\):*:*:*:*:*:*:* | 4.2(1)sv1(5.1a) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:4.2\(1\)sv1\(5.2\):*:*:*:*:*:*:* | 4.2(1)sv1(5.2) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:4.2\(1\)sv1\(5.2b\):*:*:*:*:*:*:* | 4.2(1)sv1(5.2b) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:4.2\(1\)sv2\(1.1\):*:*:*:*:*:*:* | 4.2(1)sv2(1.1) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:4.2\(1\)sv2\(1.1a\):*:*:*:*:*:*:* | 4.2(1)sv2(1.1a) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:4.2\(1\)sv2\(2.1\):*:*:*:*:*:*:* | 4.2(1)sv2(2.1) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:4.2\(1\)sv2\(2.1a\):*:*:*:*:*:*:* | 4.2(1)sv2(2.1a) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(1.1\):*:*:*:*:*:*:* | 5.2(1)sv3(1.1) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(1.3\):*:*:*:*:*:*:* | 5.2(1)sv3(1.3) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(1.4\):*:*:*:*:*:*:* | 5.2(1)sv3(1.4) | Vulnerable | Cisco |
| cpe:2.3:h:cisco:nexus_1000v:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
- cpe:2.3:o:cisco:nx-os:4.2\(1\)sv1\(5.1\):*:*:*:*:*:*:* Versions 4.2(1)sv1(5.1) Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:4.2\(1\)sv1\(5.1a\):*:*:*:*:*:*:* Versions 4.2(1)sv1(5.1a) Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:4.2\(1\)sv1\(5.2\):*:*:*:*:*:*:* Versions 4.2(1)sv1(5.2) Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:4.2\(1\)sv1\(5.2b\):*:*:*:*:*:*:* Versions 4.2(1)sv1(5.2b) Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:4.2\(1\)sv2\(1.1\):*:*:*:*:*:*:* Versions 4.2(1)sv2(1.1) Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:4.2\(1\)sv2\(1.1a\):*:*:*:*:*:*:* Versions 4.2(1)sv2(1.1a) Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:4.2\(1\)sv2\(2.1\):*:*:*:*:*:*:* Versions 4.2(1)sv2(2.1) Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:4.2\(1\)sv2\(2.1a\):*:*:*:*:*:*:* Versions 4.2(1)sv2(2.1a) Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(1.1\):*:*:*:*:*:*:* Versions 5.2(1)sv3(1.1) Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(1.3\):*:*:*:*:*:*:* Versions 5.2(1)sv3(1.3) Vulnerable ·Cisco
- cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(1.4\):*:*:*:*:*:*:* Versions 5.2(1)sv3(1.4) Vulnerable ·Cisco
- cpe:2.3:h:cisco:nexus_1000v:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-1465
- 2026-10-03 Alias added: GHSA-fxrm-5p2x-8w54
References
More Cisco Nx-os vulnerabilities
- TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
- TI-2024-13332 Cisco NX-OS Software CLI Command Injection Vulnerability KEVCVSS 3.1MEDIUM 6.7
- TI-2018-00260 Improper input validation in Cisco NX-OS unknown CVSS 3.0CRITICAL 9.8
- TI-2019-01226 Cisco NX-OS Software Netstack Denial of Service Vulnerability CVSS 3.1HIGH 8.6
- TI-2022-05183 Cisco NX-OS Software Cisco Fabric Services Over IP Denial of Service Vulnerability CVSS 3.1HIGH 8.6
- TI-2022-05182 Cisco Nexus 9000 Series Switches Bidirectional Forwarding Detection Denial of Service Vulnerability CVSS 3.1HIGH 8.6
Sources
- CVE-2016-1465 · CVE Program
- CVE-2016-1465 · NVD
- FIRST EPSS
- GHSA-fxrm-5p2x-8w54 · GitHub Advisory Database · CC BY 4.0
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