Auth bypass in Calamp Lmu 3030 Cdma
CVE-2017-3217
CalAmp LMU 3030 series OBD-II CDMA and GSM devices has an SMS (text message) interface that can be deployed where no password is configured for this interface by the integrator / reseller. This interface must be password protected, otherwise, the attacker only needs to know the phone number of the device (via an IMSI Catcher, for example) to send administrative commands to the device. These commands can be used to provide ongoing, real-time access to the device and can configure parameters such as IP addresses, firewall rules, and passwords.
Vulnerability class: Broken Authentication
EPSS: 0.020 (79.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- cret@cert.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cret@cert.org (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2017-3217?
- CVE-2017-3217 is a high-severity vulnerability in Calamp Lmu 3030 Cdma, classified under Missing Authentication for Critical Function. CVSS score: 8.1/10. Published 2018-07-24.
- How severe is CVE-2017-3217?
- High severity. CVSS v3 base score is 8.1 out of 10.