CWE
78 77
Advisory Published
Updated

CVE-2020-8233: OS Command Injection

First published: Mon Aug 17 2020(Updated: )

A command injection vulnerability exists in EdgeSwitch firmware <v1.9.0 that allowed an authenticated read-only user to execute arbitrary shell commands over the HTTP interface, allowing them to escalate privileges.

Credit: support@hackerone.com

Affected SoftwareAffected VersionHow to fix
Ubiquiti EdgeSwitch Firmware<1.9.0
UI EP-16-XG
ui ep-s16
UI ES-12F
Ubiquiti Networks US-16-150W
UI ES-24-250W
Cisco SG500X-24P
ui es-24-lite
Ubiquiti Networks UISP US-48-500W
UI ES-48
UI ES-48
Ubiquiti Networks US-8-150W
openSUSE Backports=15.0-sp1
openSUSE Backports=15.0-sp2
SUSE Linux=15.1
SUSE Linux=15.2

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Frequently Asked Questions

  • What is CVE-2020-8233?

    CVE-2020-8233 is a command injection vulnerability in EdgeSwitch firmware <v1.9.0.

  • How does CVE-2020-8233 affect EdgeSwitch firmware?

    CVE-2020-8233 allows an authenticated read-only user to execute arbitrary shell commands over the HTTP interface, leading to privilege escalation.

  • What is the severity of CVE-2020-8233?

    CVE-2020-8233 has a severity level of 8.8 (Critical).

  • How can I fix CVE-2020-8233?

    To fix CVE-2020-8233, upgrade EdgeSwitch firmware to version 1.9.1 or later.

  • Where can I find more information about CVE-2020-8233?

    You can find more information about CVE-2020-8233 at the following references: [link 1](http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00019.html), [link 2](https://community.ui.com/releases/EdgeMAX-EdgeSwitch-Firmware-v1-9-1-v1-9-1/8a87dfc5-70f5-4055-8d67-570db1f5695c), [link 3](https://community.ui.com/releases/Security-advisory-bulletin-014-014/1c32c056-2c64-4e60-ac23-ce7d8f387821).

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