CVE-2022-3048 is a vulnerability identified in Google Chrome OS prior to version 105.0.5195.52, specifically related to the lockscreen implementation. The issue stems from an inappropriate implementation of navigation restrictions on the Chrome OS lockscreen, which allows a local attacker with physical access to the device to bypass these restrictions. This vulnerability is classified under CWE-863, which pertains to improper authorization. The attacker does not require any prior authentication or user interaction to exploit this vulnerability, as it relies on physical access to the device. The CVSS v3.1 base score is 6.8, indicating a medium severity level. The vector string (CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) highlights that the attack vector is physical (AV:P), with low attack complexity (AC:L), no privileges required (PR:N), and no user interaction needed (UI:N). The scope remains unchanged (S:U), but the impact on confidentiality, integrity, and availability is high (C:H/I:H/A:H). This means that once the lockscreen restrictions are bypassed, the attacker can potentially access sensitive data, modify system settings or data, and disrupt system availability. There are no known exploits in the wild at the time of publication, and no patch links were provided in the source information, though it is implied that updating Chrome OS to version 105.0.5195.52 or later would remediate the issue. The vulnerability is significant because the lockscreen is a primary security barrier preventing unauthorized access to the device, and bypassing it undermines the device's physical security controls.

For European organizations, this vulnerability poses a risk primarily to devices running Chrome OS, especially in environments where devices are shared, left unattended, or physically accessible by unauthorized personnel. The ability to bypass lockscreen restrictions can lead to unauthorized access to corporate data, potential data breaches, and compromise of user credentials or stored information. This is particularly critical for sectors handling sensitive personal data under GDPR, such as healthcare, finance, and government agencies. The high impact on confidentiality, integrity, and availability means attackers could exfiltrate sensitive data, alter system configurations, or disrupt device operations. While remote exploitation is not possible, the physical access requirement means that organizations with less stringent physical security controls or those using Chrome OS devices in public or semi-public spaces are at higher risk. Additionally, the vulnerability could facilitate insider threats or theft scenarios where stolen devices can be accessed more easily. Given the increasing adoption of Chrome OS in education and enterprise sectors across Europe, the potential impact is non-trivial.

Organizations should ensure all Chrome OS devices are updated to version 105.0.5195.52 or later, where this vulnerability is addressed. Beyond patching, enforcing strict physical security controls is critical—this includes secure storage of devices when not in use, use of cable locks, and controlled access to areas where devices are deployed. Implementing multi-factor authentication (MFA) for device login can add an additional layer of security, although this may not fully mitigate the bypass if the lockscreen is compromised. Organizations should also consider deploying endpoint management solutions that can remotely lock or wipe devices if lost or stolen. Regular audits of device usage and physical security policies should be conducted to identify and remediate potential exposure. Training employees on the importance of physical device security and prompt reporting of lost or stolen devices is also essential. Finally, organizations should monitor for any updates or advisories from Google regarding this vulnerability and apply patches promptly.