CVE-2023-2377

Er X Firmware vulnerability

CVSS

7.2

EPSS

7.6%

EPSS pct

94th

Exploited

No known

A vulnerability was detected in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. The impacted element is an unknown function of the component Web Management Interface. The manipulation of the argument Name results in command injection. The attack can be launched remotely. The exploit is now public and may be used. There is ongoing doubt regarding the real existence of this vulnerability. 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-2023-2377

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-2023-2377.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-2377

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