CVE-2021-47747 meterN 1.2.3 Authenticated Remote Code Execution via Admin Scripts

High 8.6 Published Updated

Authenticated attackers can execute arbitrary system commands with administrative privileges via vulnerable admin scripts in meterN.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-47747?

CVE-2021-47747 is a high-severity command injection vulnerability in meterN, published on 31 Dec 2025. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

meterN 1.2.3 contains an authenticated remote code execution vulnerability in admin_meter2.php and admin_indicator2.php scripts. Attackers can exploit the 'COMMANDx' and 'LIVECOMMANDx' POST parameters to execute arbitrary system commands with administrative privileges.

Weakness: CWE-78

Which versions are affected by CVE-2021-47747?

How do I fix CVE-2021-47747?

No fix has been published for CVE-2021-47747 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2021-47747 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47747 exists.

Sources

Also known as GHSA-6596-h2j7-v8m3.

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