CVE-2021-47747

8.6 highEPSS 0.7%

High (8.6). EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.6 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

8.8 high

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2025-12-31
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://web.archive.org/web/20210617084455/https://www.metern.org/
https://www.exploit-db.com/exploits/50596
https://www.vulncheck.com/advisories/metern-authenticated-remote-code-execution-via-admin-scripts
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5690.php

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