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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (51.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000
Affected products
- Metern — versions 1.2.3
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/50596 (exploit)
- web.archive.org/web/20210617084455/https://www.metern.org/ (product)
- www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5690.php (third-party-advisory)
- www.vulncheck.com/advisories/metern-authenticated-remote-code-execution-via-adm… (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.