What is the CVSS score of CVE-2018-12049?

CVE-2018-12049 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 5.2%.

Is there a public PoC exploit available for CVE-2018-12049?

Yes, a public proof-of-concept exploit is available for CVE-2018-12049. Prioritise patching immediately. EPSS: 5.2%.

Lbp6030W Firmware CVE-2018-12049

CRITICAL

Improper Authentication (CWE-287)

2018-06-08 cve@mitre.org

Authentication Bypass Lbp6030W Firmware

9.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jun 08, 2018 - 01:29 nvd

CRITICAL 9.8

DescriptionNVD

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

AnalysisAI

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. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. 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 Affected products include: Canon Lbp6030W Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.