What is CVE-2018-12049?

CVE-2018-12049 is a critical-severity vulnerability in Canon Lbp6030w, classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-06-08.

How severe is CVE-2018-12049?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Canon Lbp6030w

CVE-2018-12049

A remote attacker can bypass the System Manager Mode on the Canon LBP6030w web interface without a PIN for /checkLogin.cgi via vectors involving /portal_top.html to get full access to the device. NOTE: the vendor reportedly responded that this issue occurs when a customer keeps the default settings without using the countermeasures and best practices shown in the documentation

Vulnerability class: Broken Authentication

EPSS: 0.052 (91.6th 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)

CWE-287 — Improper Authentication

References

cve@mitre.org (VDB Entry, Third Party Advisory, exploit, Broken Link, x_refsource_EXPLOIT-DB)
cve@mitre.org (Third Party Advisory, x_refsource_MISC, Broken Link)

Frequently asked questions

What is CVE-2018-12049?: CVE-2018-12049 is a critical-severity vulnerability in Canon Lbp6030w, classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-06-08.
How severe is CVE-2018-12049?: Critical severity. CVSS v3 base score is 9.8 out of 10.