CVE-2018-6012: The 'Weather Service' feature of the Green Electronics RainMachine Mini-8 (2nd generation) allows an attacker

Q: How do I fix CVE-2018-6012?

mini-8 firmware: upgrade to newer than 4.0.975. Exact commands for each OS are on this page.

Q: Is CVE-2018-6012 being exploited?

CVE-2018-6012 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-6012 affect?

CVE-2018-6012 affects mini-8 firmware. Severity is critical (CVSS 9.8). The 'Weather Service' feature of the Green Electronics RainMachine Mini-8 (2nd generation) allows an attacker to inject arbitrary Python code via the 'Add new weather data source' upload function.

Q: How urgent is CVE-2018-6012?

Priority 62/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2018-6012 is a critical-severity flaw (CVSS 9.8) affecting mini-8 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The 'Weather Service' feature of the Green Electronics RainMachine Mini-8 (2nd generation) allows an attacker to inject arbitrary Python code via the 'Add new weather data source' upload function.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-94
Published	2018-11-01
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: rainmachine

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-11-01 17:29 UTCPublished CVE record published
2026-06-17 02:01 UTCUpdated Record last modified

rainmachine mini-8 firmware UPGRADE

Affected: >= 4.0.539 and <= 4.0.975

Fixed in: newer than 4.0.975

Safe to downgrade to: a release before 4.0.539

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-6012?

mini-8 firmware: upgrade to newer than 4.0.975. Exact commands for each OS are on this page.

Is CVE-2018-6012 being exploited?

CVE-2018-6012 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-6012 affect?

CVE-2018-6012 affects mini-8 firmware. Severity is critical (CVSS 9.8). The 'Weather Service' feature of the Green Electronics RainMachine Mini-8 (2nd generation) allows an attacker to inject arbitrary Python code via the 'Add new weather data source' upload function.

How urgent is CVE-2018-6012?

Priority 62/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Python vulnerabilities

Related CVEs

CVE-2018-6908 CRITICAL 9.8 UPGRADE UPGRADE An authentication bypass vulnerability exists in the Green Electronics RainMachine Mini-8 (2nd Generation) and
CVE-2018-6011 HIGH 8.1 UPGRADE The time-based one-time-password (TOTP) function in the application logic of the Green Electronics RainMachine

References

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