Authenticated Remote Code Execution in MeterN by MeterN.org
CVE-2021-47747

8.6HIGH

Key Information:

Vendor

Metern

Status
Metern
Vendor
CVE Published:
31 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47747?

MeterN version 1.2.3 has a significant vulnerability that allows attackers to perform authenticated remote code execution via the 'COMMANDx' and 'LIVECOMMANDx' POST parameters in the admin_meter2.php and admin_indicator2.php scripts. This flaw enables an attacker with administrative access to execute arbitrary system commands, potentially compromising the entire system. Proper mitigation is crucial to prevent unauthorized command execution and to secure sensitive data.

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Affected Version(s)

meterN 1.2.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-47747 - Proof of Concept

References

https://www.exploit-db.com/exploits/50596
exploit
https://web.archive.org/web/20210617084455/https://www.me...
product
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-56...
third-party-advisory

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

LiquidWorm as Gjoko Krstic of Zero Science Lab
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