Auth bypass in Eclipse Kura

CVE-2017-7649

The network enabled distribution of Kura before 2.1.0 takes control over the device's firewall setup but does not allow IPv6 firewall rules to be configured. Still the Equinox console port 5002 is left open, allowing to log into Kura without any user credentials over unencrypted telnet and executing commands using the Equinox "exec" command. As the process is running as "root" full control over the device can be acquired. IPv6 is also left in auto-configuration mode, accepting router advertisements automatically and assigns a MAC address based IPv6 address.

Vulnerability class: Broken Authentication

EPSS: 0.016 (74.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-7649?
CVE-2017-7649 is a critical-severity vulnerability in Eclipse Kura, classified under Improper Authentication. CVSS score: 9.8/10. Published 2017-09-11.
How severe is CVE-2017-7649?
Critical severity. CVSS v3 base score is 9.8 out of 10.