CVE-2020-16980: 
vulnerability analysis and mitigation

CVE-2020-16980 is an elevation of privilege vulnerability that exists in the Windows iSCSI Target Service when it improperly handles file operations. The vulnerability was disclosed on October 13, 2020, affecting multiple versions of Microsoft Windows Server, including Server 2012, 2012 R2, 2016, and 2019 (NVD).

The vulnerability has been assigned a CVSS v3.1 base score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. The CVSS v2.0 base score is 4.6 (MEDIUM) with the vector (AV:L/AC:L/Au:N/C:P/I:P/A:P). The vulnerability requires local access and low attack complexity to exploit (NVD).

If successfully exploited, this vulnerability allows an attacker to gain elevated privileges on the affected system. The attacker would first need to achieve code execution on the target system before being able to run a specially crafted application to exploit the vulnerability (NVD).

To exploit this vulnerability, an attacker would need initial code execution on the target system. The attack requires local access and the ability to run a specially crafted application on the vulnerable system (NVD).

Microsoft has released security updates to address this vulnerability. The security update fixes the issue by ensuring the Windows iSCSI Target Service properly handles file operations. Users should apply the appropriate patches for their affected Windows Server versions (NVD).