CVE-2021-40699: 
Adobe ColdFusion 2018 vulnerability analysis and mitigation

ColdFusion version 2021 update 1 (and earlier) and versions 2018.10 (and earlier) are affected by an improper access control vulnerability (CVE-2021-40699) discovered in September 2021. The vulnerability specifically affects the permission checking mechanism in the CFIDE path. This security issue was identified by researcher Brian Reilly and was assigned a CVSS v3.1 base score of 7.4 (High) (NVD, Adobe Advisory).

The vulnerability is classified as an improper access control issue (CWE-284) that affects the permission checking mechanism within the CFIDE path. The CVSS v3.1 vector string is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L, indicating that the vulnerability requires low attack complexity, can be exploited over the network, and requires low privileges but no user interaction (NVD).

When successfully exploited, this vulnerability allows an authenticated attacker to access and manipulate arbitrary data on the affected environment. The impact spans across confidentiality, integrity, and availability, each rated as Low in the CVSS scoring, but the overall impact is considered High due to the scope being changed (NVD).

Adobe has addressed this vulnerability in their security updates. Users are advised to update to versions newer than ColdFusion 2021 update 1 or versions newer than 2018.10 to mitigate this security risk (Adobe Advisory).