VMware Warns of 3 New Critical Flaws Affecting Workspace ONE Assist Software

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.

Another vulnerability is a case of a reflected cross-site scripting (XSS) vulnerability (CVE-2022-31688, CVSS score: 6.4) stemming from improper user input sanitization, something that could be exploited to inject arbitrary JavaScript code in the target user’s window.

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.”

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