CVE-2018-6908
CVE-2018-6908 is a critical-severity vulnerability in Rainmachine Mini-8 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (73rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-287
- Affected product: Rainmachine Mini-8 Firmware
- Published:
- Last modified:
Description
An authentication bypass vulnerability exists in the Green Electronics RainMachine Mini-8 (2nd Generation) and Touch HD 12 web application allowing an unauthenticated attacker to perform authenticated actions on the device via a 127.0.0.1:port value in the HTTP 'Host' header, as demonstrated by retrieving credentials.
Frequently asked questions
- What is CVE-2018-6908?
- An authentication bypass vulnerability exists in the Green Electronics RainMachine Mini-8 (2nd Generation) and Touch HD 12 web application allowing an unauthenticated attacker to perform authenticated actions on the device via a 127.0.0.1:port value in the HTTP 'Host' header, as demonstrated by retrieving credentials.
- How severe is CVE-2018-6908?
- CVE-2018-6908 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-6908 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-6908?
- CVE-2018-6908 primarily affects Rainmachine Mini-8 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-6908?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2018-6908 published?
- CVE-2018-6908 was published on 2018-11-01 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:o:rainmachine:mini-8_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:rainmachine:touch_hd_12_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Rainmachine Mini-8 Firmware
- CVE-2018-6012 — Critical (CVSS 9.8): The 'Weather Service' feature of the Green Electronics RainMachine Mini-8 (2nd generation) allows an attacker to inject…
- CVE-2018-6011 — High (CVSS 8.1): The time-based one-time-password (TOTP) function in the application logic of the Green Electronics RainMachine Mini-8…
All CVEs affecting Rainmachine Mini-8 Firmware →
Other CWE-287 (Improper Authentication) vulnerabilities
- CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
- CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
- CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
- CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
- CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…
Browse all CWE-287 (Improper Authentication) vulnerabilities →