CVE-2021-45053: 
Adobe InDesign vulnerability analysis and mitigation

Adobe InCopy version 16.4 and earlier versions were found to contain an out-of-bounds write vulnerability, identified as CVE-2021-45053. The vulnerability was disclosed on January 13, 2022, and could potentially lead to arbitrary code execution in the context of the current user. This security flaw specifically affects Adobe InCopy software running on both Windows and macOS operating systems (Adobe Advisory).

The vulnerability is classified as an Out-of-bounds Write (CWE-787) issue. It received a CVSS v3.1 base score of 7.8 (High), with the following vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. Under CVSS v2.0, it was assigned a score of 6.8 (Medium) with the vector: AV:N/AC:M/Au:N/C:P/I:P/A:P (NVD).

The successful exploitation of this vulnerability could result in arbitrary code execution in the context of the current user. This means an attacker could potentially execute malicious code with the same privileges as the user running the affected Adobe InCopy application (Adobe Advisory).

Adobe addressed this vulnerability in subsequent updates to InCopy. Users of affected versions (16.4 and earlier) should update to the latest version of the software to mitigate this security risk (Adobe Advisory).