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CVE-2017-5144: Carlosgavazzi Vmu C Em Firmware: Authentication bypass
CVE-2017-5144 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists 2 affected products, including Carlosgavazzi Vmu C Em Firmware. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.
Vulnerability description
An issue was discovered in Carlo Gavazzi VMU-C EM prior to firmware Version A11_U05, and VMU-C PV prior to firmware Version A17. The access control flaw allows access to most application functions without authentication.
Severity breakdown
CVSS v3.0 9.8: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
- Attack complexity: Low. No special conditions; the attack can be repeated reliably.
- Privileges required: None. No account or prior access is needed.
- User interaction: None. No action from any user is needed.
- Scope: Unchanged. Impact stays within the vulnerable component.
- Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
- Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
- Availability impact: High. Total loss of availability; the component can be shut down.
Affected products
- Carlosgavazzi Vmu C Em Firmware: all versions listed by NVD
- Carlosgavazzi Vmu C Pv Firmware: all versions listed by NVD