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CVE-2019-11634: Citrix Workspace Application and Receiver for Windows Remote Code Execution Vulnerability

criticalknown exploitedCVE-2019-11634
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.
Citrix Workspace Application and Receiver for Windows contains remote code execution vulnerability resulting from local drive access preferences not being enforced into the clients' local drives.

CSIRTS triage

vendor: Citrixproduct: Workspace Application and Receiver for WindowsRemote code execution
What
There is a remote code execution vulnerability due to local drive access preferences not being enforced.
Who is affected
Deployments of Citrix Workspace Application and Receiver for Windows are affected.
Urgency
Remediation is urgent as the vulnerability is actively exploited and classified as critical.
Action
Update to the latest version of Citrix Workspace Application and Receiver for Windows.

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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-2019-11634

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-2019-11634coverage & exploitation statusNVD · CVE.org

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