VMware has patched five security flaws affecting its Workspace ONE Assist solution, some of which could be exploited to bypass authentication and obtain elevated permissions.
Topping the list are three critical vulnerabilities tracked as CVE-2022-31685, CVE-2022-31686, and CVE-2022-31687. All the shortcomings are rated 9.8 on the CVSS vulnerability scoring system.
CVE-2022-31685 is an authentication bypass flaw that could be abused by an attacker with network access to VMware Workspace ONE Assist to obtain administrative access without the need to authenticate to the application.
CVE-2022-31686 has been described by the virtualization services provider as a "broken authentication method" vulnerability, and CVE-2022-31687 as a "Broken Access Control" flaw.
"A malicious actor with network access may be able to obtain administrative access without the need to authenticate to the application," VMware said in an advisory for CVE-2022-31686 and CVE-2022-31687.
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Rounding off the patch is a session fixation vulnerability (CVE-2022-31689, CVSS score: 4.2) that VMware said is the result of improper handling of session tokens, adding "a malicious actor who obtains a valid session token may be able to authenticate to the application using that token."
Security researchers Jasper Westerman, Jan van der Put, Yanick de Pater, and Harm Blankers of Netherlands-based Reqon have been credited with discovering and reporting the flaws.
All the issues impact versions 21.x and 22.x of VMware Workspace ONE Assist and have been fixed in version 22.10. The company also said there are no workarounds that address the weaknesses.