CVE-2020-3457

Cisco FXOS Software Command Injection Vulnerability

MEDIUM

6.7

CVSS Score

Published: October 21, 2020 at 06:36 PM UTC

Updated: June 17, 2026 at 03:18 AM UTC

29 products affected across 1 vendorAdaptive Security ApplianceFirepower Threat DefenseFirepower Extensible Operating System

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Severity

MEDIUM6.7

Exploit prediction

EPSS 0.4%

SSVC

No known exploit

Description

A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privileges. The vulnerability is due to insufficient input validation of commands supplied by the user. An attacker could exploit this vulnerability by authenticating to a device and submitting crafted input to the affected command. A successful exploit could allow the attacker to execute commands on the underlying operating system with root privileges.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Adaptive Security Appliance · Cisco

95%

9.10 ≤ v < 9.10.1.409.12 ≤ v < 9.12.4.39.13 ≤ v < 9.13.1.139.8 ≤ v < 9.8.4.299.9 ≤ v < 9.9.2.80

Affected range stops below 9.10.1.40, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.12.4.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.13.1.13, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.8.4.29, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.9.2.80, so it looks safe — our inference, not a vendor statement

cisco-firepower-1000 (environment) · cisco-firepower-1010 (environment) · cisco-firepower-1120 (environment) · cisco-firepower-1140 (environment) · cisco-firepower-1150 (environment) · cisco-firepower-2100 (environment) · cisco-firepower-2110 (environment) · cisco-firepower-2120 (environment) · cisco-firepower-2130 (environment) · cisco-firepower-2140 (environment)

Firepower Extensible Operating System · Cisco

95%

2.4 ≤ v < 2.4.1.2662.6 ≤ v < 2.6.1.2042.7 ≤ v < 2.7.1.1312.8 ≤ v < 2.8.1.125

Affected range stops below 2.4.1.266, so it looks safe — our inference, not a vendor statement

Affected range stops below 2.6.1.204, so it looks safe — our inference, not a vendor statement

Affected range stops below 2.7.1.131, so it looks safe — our inference, not a vendor statement

Affected range stops below 2.8.1.125, so it looks safe — our inference, not a vendor statement

cisco-firepower-4110 (environment) · cisco-firepower-4112 (environment) · cisco-firepower-4115 (environment) · cisco-firepower-4120 (environment) · cisco-firepower-4125 (environment) · cisco-firepower-4140 (environment) · cisco-firepower-4145 (environment) · cisco-firepower-4150 (environment) · cisco-firepower-9300-sm-24 (environment) · cisco-firepower-9300-sm-36 (environment) · cisco-firepower-9300-sm-40 (environment) · cisco-firepower-9300-sm-44 (environment) · cisco-firepower-9300-sm-44-x-3 (environment) · cisco-firepower-9300-sm-48 (environment) · cisco-firepower-9300-sm-56 (environment) · cisco-firepower-9300-sm-56-x-3 (environment)

Firepower Threat Defense · Cisco

95%

6.2.2 ≤ v < 6.3.0.66.4.0 ≤ v < 6.4.0.96.5.0 ≤ v < 6.5.0.5

Affected range stops below 6.3.0.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.4.0.9, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.5.0.5, so it looks safe — our inference, not a vendor statement

Firepower 1000 · Ciscodevice

80%

All versions

Firepower 1010 · Ciscodevice

80%

All versions