CVE-2023-2378: Ubiquiti EdgeRouter X Web Management command injection

Published Apr 28, 2023
·
Updated

A flaw has been found in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. This affects an unknown function of the component Web Management Interface. This manipulation of the argument suffix-rate-up causes command injection. The attack may be initiated remotely. The exploit has been published and may be used. The real existence of this vulnerability is still doubted at the moment. The vendor position is that post-authentication issues are not accepted as vulnerabilities.

Other sources

A vulnerability was found in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. It has been rated as critical. Affected by this issue is some unknown functionality of the component Web Management Interface. The manipulation of the argument suffix-rate-up leads to command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-227654 is the identifier assigned to this vulnerability.

NVD

Affected Software

32 affected components
All of the following
Any of the following
UI Er-x Firmware<2.0.9
UI Er-x Firmware=2.0.9
UI Er-x Firmware=2.0.9-hotfix2
UI Er-x Firmware=2.0.9-hotfix3
UI Er-x Firmware=2.0.9-hotfix4
UI Er-x Firmware=2.0.9-hotfix5
UI Er-x Firmware=2.0.9-hotfix6
UI Er-x
All of the following
Any of the following
UI Er-x-sfp Firmware<2.0.9
UI Er-x-sfp Firmware=2.0.9
UI Er-x-sfp Firmware=2.0.9-hotfix2
UI Er-x-sfp Firmware=2.0.9-hotfix3
UI Er-x-sfp Firmware=2.0.9-hotfix4
UI Er-x-sfp Firmware=2.0.9-hotfix5
UI Er-x-sfp Firmware=2.0.9-hotfix6
UI Er-x-sfp
UI Er-x Firmware<2.0.9
UI Er-x Firmware=2.0.9
UI Er-x Firmware=2.0.9-hotfix2
UI Er-x Firmware=2.0.9-hotfix3
UI Er-x Firmware=2.0.9-hotfix4
UI Er-x Firmware=2.0.9-hotfix5
UI Er-x Firmware=2.0.9-hotfix6
UI Er-x
UI Er-x-sfp Firmware<2.0.9
UI Er-x-sfp Firmware=2.0.9
UI Er-x-sfp Firmware=2.0.9-hotfix2
UI Er-x-sfp Firmware=2.0.9-hotfix3
UI Er-x-sfp Firmware=2.0.9-hotfix4
UI Er-x-sfp Firmware=2.0.9-hotfix5
UI Er-x-sfp Firmware=2.0.9-hotfix6
UI Er-x-sfp

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Ubiquiti EdgeRouter X to a version that resolves this vulnerability.

    Fixed in 2.0.9-hotfix.6
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch VDB-227654
  3. Compensating control

    If possible, restrict network access to the EdgeRouter X Web Management Interface so the vulnerable command injection path cannot be reached remotely (e.g., limit management access to trusted IPs via firewall/ACL).

Event History

Apr 28, 2023
CVE Published
via MITRE·04:00 PM
Data Sourced
via MITRE·04:00 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:15 PM
DescriptionSeverityWeaknessAffected Software
Jul 5, 58490
Event
via NVD·12:21 PM
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Frequently Asked Questions

1

What is the title of CVE-2023-2378?

The title of CVE-2023-2378 is Ubiquiti EdgeRouter X Web Management Interface command injection.

2

What is the severity of CVE-2023-2378?

The severity of CVE-2023-2378 is rated as high (8.8).

3

What is affected by CVE-2023-2378?

The Web Management Interface component of Ubiquiti EdgeRouter X up to version 2.0.9-hotfix.6 is affected by CVE-2023-2378.

4

How can CVE-2023-2378 be exploited?

CVE-2023-2378 can be exploited through command injection by manipulating the argument suffix-rate-up.

5

Are there any known fixes for CVE-2023-2378?

No specific fix information is provided for CVE-2023-2378. It is recommended to apply the latest updates from the vendor.

Contact

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