Is CVE-2018-12591 actively exploited?

No active exploitation of CVE-2018-12591 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-12591 be exploited remotely?

Yes. CVE-2018-12591 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-12591?

CVE-2018-12591 has a CVSS score of 7.2 (HIGH).

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HIGH

CVE-2018-12591

CWE-78Published: June 20, 2018· Updated: Jun 17, 2026

7.2

CVSS v3.1

Official Description

Ubiquiti Networks EdgeSwitch version 1.7.3 and prior suffer from an improperly neutralized element in an OS command due to lack of protection on the admin CLI, leading to code execution and privilege escalation greater than administrators themselves are allowed. An attacker with access to an admin account could escape the restricted CLI and execute arbitrary shell instructions.

NVD Source

Technical Analysis

CVE-2018-12591 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.2.