Advisory Details

September 22nd, 2021

VMware vCenter Server Appliance Incorrect Permission Assignment Privilege Escalation Vulnerability

CVE ID	CVE-2021-22015
CVSS SCORE	7.8, AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS	VMware
AFFECTED PRODUCTS	vCenter Server Appliance
VULNERABILITY DETAILS	This vulnerability allows local attackers to escalate privileges on affected installations of VMware vCenter Server Appliance. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the permissions of root-owned service files. The product sets incorrect permissions on sensitive files. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.
ADDITIONAL DETAILS	VMware has issued an update to correct this vulnerability. More details can be found at: https://www.vmware.com/security/advisories/VMSA-2021-0020.html
DISCLOSURE TIMELINE	2021-05-26 - Vulnerability reported to vendor 2021-09-22 - Coordinated public release of advisory
CREDIT	Sergey Gerasimov and George webpentest Noseevich of SolidLab

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