A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to craft a packet to the management interface on an affected system, causing a buffer overflow
Published Jun 20, 2018
9.8
CRITICALCVSS 3.0
EPSS 17.04%
Description
A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to craft a packet to the management interface on an affected system, causing a buffer overflow. The vulnerability is due to incorrect input validation in the authentication module of the NX-API subsystem. An attacker could exploit this vulnerability by sending a crafted HTTP or HTTPS packet to the management interface of an affected system with the NX-API feature enabled. An exploit could allow the attacker to execute arbitrary code as root. Note: NX-API is disabled by default. This vulnerability affects: MDS 9000 Series Multilayer Switches, Nexus 2000 Series Fabric Extenders, Nexus 3000 Series Switches, Nexus 3500 Platform Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Nexus 9000 Series Switches in standalone NX-OS mode, Nexus 9500 R-Series Line Cards and Fabric Modules. Cisco Bug IDs: CSCvd45804, CSCve02322, CSCve02412.
Affected products
- Vendor n/a Product Cisco NX-OS unknown Defaultn/a
- Version Cisco NX-OS unknownStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Cisco NX-OS unknown | n/a |
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Configuration 1
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Configuration 2
Configuration 3
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Configuration 4
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Configuration 5
Configuration 6
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No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Nov 29, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (34 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 17.04% (0.17038) | 96.99th | v5 (v2026.06.15) |
| Sep 22, 2026 | 17.04% (0.17038) | 96.94th | v5 (v2026.06.15) |
| Sep 21, 2026 | 13.19% (0.13193) | 96.26th | v5 (v2026.06.15) |
| Sep 6, 2026 | 17.04% (0.17038) | 96.86th | v5 (v2026.06.15) |
| Sep 5, 2026 | 13.19% (0.13193) | 96.17th | v5 (v2026.06.15) |
| Aug 30, 2026 | 17.04% (0.17038) | 96.85th | v5 (v2026.06.15) |
| Aug 28, 2026 | 13.19% (0.13193) | 96.15th | v5 (v2026.06.15) |
| Aug 24, 2026 | 17.67% (0.17670) | 96.91th | v5 (v2026.06.15) |
| Aug 23, 2026 | 13.69% (0.13691) | 96.26th | v5 (v2026.06.15) |
| Jun 15, 2026 | 17.67% (0.17670) | 96.76th | v5 (v2026.06.15) |
| Nov 21, 2025 | 1.43% (0.01425) | 80.04th | v4 (v2025.03.14) |
| Nov 18, 2025 | 14.48% (0.14476) | 93.83th | v4 (v2025.03.14) |
| Oct 31, 2025 | 1.43% (0.01425) | 79.98th | v4 (v2025.03.14) |
| Apr 28, 2025 | 3.58% (0.03578) | 87.06th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.87% (0.04869) | 88.55th | v4 (v2025.03.14) |
| Mar 29, 2025 | 8.13% (0.08127) | 86.69th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.87% (0.04869) | 88.83th | v4 (v2025.03.14) |
| Dec 17, 2024 | 0.68% (0.00679) | 79.77th | v3 (v2023.03.01) |
| May 30, 2024 | 1.21% (0.01212) | 85.24th | v3 (v2023.03.01) |
| Apr 29, 2024 | 1.11% (0.01112) | 84.36th | v3 (v2023.03.01) |
| Nov 11, 2023 | 1.15% (0.01148) | 83.15th | v3 (v2023.03.01) |
| Jul 8, 2023 | 1.01% (0.01012) | 81.68th | v3 (v2023.03.01) |
| Jun 14, 2023 | 2.21% (0.02209) | 87.87th | v3 (v2023.03.01) |
| May 12, 2023 | 2.12% (0.02122) | 87.53th | v3 (v2023.03.01) |
| May 8, 2023 | 2.29% (0.02286) | 88.00th | v3 (v2023.03.01) |
| Mar 21, 2023 | 0.97% (0.00972) | 81.05th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.06% (0.01061) | 81.87th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.63% (0.05634) | 90.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.63% (0.05634) | 89.29th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.63% (0.05634) | 76.84th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.83% (0.01828) | 35.38th | v1 |
| Jan 6, 2022 | 1.83% (0.01828) | 34.69th | v1 |
| Sep 1, 2021 | 1.83% (0.01828) | 74.99th | v1 |
| Apr 14, 2021 | 1.83% (0.01828) | 0.00th | v1 |
References (3)
- http://www.securityfocus.com/bid/104512 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041169 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-nxos-bo x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/104512 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041169 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-nxos-bo | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.