Auth bypass in Furuno Felcom 250

CVE-2018-16591

FURUNO FELCOM 250 and 500 devices allow unauthenticated users to change the password for the Admin, Log and Service accounts, as well as the password for the protected "SMS" panel via /cgi-bin/sm_changepassword.cgi and /cgi-bin/sm_sms_changepasswd.cgi.

Vulnerability class: Broken Access Control

EPSS: 0.022 (80.3th 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

  • cve@mitre.org (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-16591?
CVE-2018-16591 is a critical-severity vulnerability in Furuno Felcom 250, classified under Missing Authorization. CVSS score: 9.8/10. Published 2018-09-10.
How severe is CVE-2018-16591?
Critical severity. CVSS v3 base score is 9.8 out of 10.