CVE-2023-2378

Er X Firmware vulnerability

CVSS

7.2

EPSS

7.6%

EPSS pct

94th

Exploited

No known

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.

Affected vendor

Affected product

Er X Firmware

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-74 — Injection
CWE-77 — Command Injection

Published

2023-04-28

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring high privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 7.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2023-2378

Confirm whether Ui Er X Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2023-2378.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-2378

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