Description
A vulnerability in the Silicon One integration for Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to execute code with root privileges. This vulnerability exists because TCP ports 43210 and 43211 are accessible in the default Layer 3 (L3) virtual routing and forwarding (VRF). A successful exploit could allow the attacker to connect to an affected device and send crafted input that could be executed as code with root privileges. The exploitation of this vulnerability could also cause the S1HAL process to crash, which could cause the device to reload.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Cisco / Cisco NX-OS Software10.3(1) – 10.3(1)
- Cisco / Cisco NX-OS Software10.3(2) – 10.3(2)
- Cisco / Cisco NX-OS Software10.3(3) – 10.3(3)
- Cisco / Cisco NX-OS Software10.4(1) – 10.4(1)
- Cisco / Cisco NX-OS Software10.3(99w) – 10.3(99w)
- Cisco / Cisco NX-OS Software10.3(3w) – 10.3(3w)
- Cisco / Cisco NX-OS Software10.3(99x) – 10.3(99x)
- Cisco / Cisco NX-OS Software10.3(3o) – 10.3(3o)
- Cisco / Cisco NX-OS Software10.3(4) – 10.3(4)
- Cisco / Cisco NX-OS Software10.3(3p) – 10.3(3p)
- Cisco / Cisco NX-OS Software10.3(4a) – 10.3(4a)
- Cisco / Cisco NX-OS Software10.4(2) – 10.4(2)
- Cisco / Cisco NX-OS Software10.3(3q) – 10.3(3q)
- Cisco / Cisco NX-OS Software10.3(5) – 10.3(5)
- Cisco / Cisco NX-OS Software10.4(3) – 10.4(3)
- Cisco / Cisco NX-OS Software10.3(3x) – 10.3(3x)
- Cisco / Cisco NX-OS Software10.3(4g) – 10.3(4g)
- Cisco / Cisco NX-OS Software10.5(1) – 10.5(1)
- Cisco / Cisco NX-OS Software10.3(3r) – 10.3(3r)
- Cisco / Cisco NX-OS Software10.3(6) – 10.3(6)
- Cisco / Cisco NX-OS Software10.4(4) – 10.4(4)
- Cisco / Cisco NX-OS Software10.3(4h) – 10.3(4h)
- Cisco / Cisco NX-OS Software10.5(2) – 10.5(2)
- Cisco / Cisco NX-OS Software10.3(7) – 10.3(7)
- Cisco / Cisco NX-OS Software10.4(5) – 10.4(5)
- Cisco / Cisco NX-OS Software10.5(3) – 10.5(3)
- Cisco / Cisco NX-OS Software10.4(4g) – 10.4(4g)
- Cisco / Cisco NX-OS Software10.5(4) – 10.5(4)
- Cisco / Cisco NX-OS Software10.6(1) – 10.6(1)
- Cisco / Cisco NX-OS Software10.5(3t) – 10.5(3t)
- Cisco / Cisco NX-OS Software10.3(8) – 10.3(8)
- Cisco / Cisco NX-OS Software10.4(6) – 10.4(6)
- Cisco / Cisco NX-OS Software10.5(3s) – 10.5(3s)
- Cisco / Cisco NX-OS Software10.5(3e) – 10.5(3e)
- Cisco / Cisco NX-OS Software10.5(3o) – 10.5(3o)
- Cisco / Cisco NX-OS Software10.6(1s) – 10.6(1s)
- Cisco / Cisco NX-OS Software10.6(2) – 10.6(2)
- Cisco / Cisco NX-OS Software10.5(3p) – 10.5(3p)
- Cisco / Cisco NX-OS Software10.3(9) – 10.3(9)
- Cisco / Cisco NX-OS Software10.6(2s) – 10.6(2s)
- Cisco / Cisco NX-OS Software10.6(3) – 10.6(3)
- Cisco / Cisco NX-OS Software10.4(7) – 10.4(7)
- Cisco / Cisco NX-OS Software10.5(5) – 10.5(5)
- Cisco / Cisco NX-OS Software10.6(2n) – 10.6(2n)
- Cisco / Cisco NX-OS Software10.6(3s) – 10.6(3s)
News coverage
- Critical Cisco Nexus 9000 Flaw Lets Unauthenticated Remote Attackers Run Code as RootThe Hacker News · 17d ago
Updated 10m ago · 8 sources