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CVE-2020-3950: VMware Multiple Products Privilege Escalation Vulnerability

criticalknown exploitedpublic exploitCVE-2020-3950
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
VMware Fusion, Remote Console (VMRC) for Mac, and Horizon Client for Mac contain a privilege escalation vulnerability due to improper use of setuid binaries that allows attackers to escalate privileges to root.

CSIRTS triage

vendor: VMwarePrivilege escalation
What
Improper use of setuid binaries allows privilege escalation to root.
Who is affected
Users of affected VMware products including Fusion, VMRC for Mac, and Horizon Client for Mac.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update to the latest versions of the affected VMware products.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2020-3950

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2020-3950coverage & exploitation statusNVD · CVE.org

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