What is CVE-2021-47747?

CVE-2021-47747 is a high-severity vulnerability in Metern, classified under OS Command Injection. CVSS score: 8.8/10. Published 2025-12-31.

How severe is CVE-2021-47747?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Metern

CVE-2021-47747

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.006 (45.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Metern — versions 1.2.3

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2021-47747?: CVE-2021-47747 is a high-severity vulnerability in Metern, classified under OS Command Injection. CVSS score: 8.8/10. Published 2025-12-31.
How severe is CVE-2021-47747?: High severity. CVSS v3 base score is 8.8 out of 10.