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Rewterz Threat Advisory – Citrix Releases Security Updates for Hypervisor

Severity

High

Analysis Summary

CVE-2021-3416,CVE-2021-20257

Two security issues have been identified in Citrix Hypervisor 8.2 LTSR, each of which may allow privileged code in a guest VM to cause the host to crash or become unresponsive.

Impact

  • Denial of Service

Affected Vendors

Citrix

Affected Products

  • Citrix Hypervisor 8.2 LTSR

Remediation

Refer to the Citrix Releases Security Updates for Hypervisor for the patch, upgrade, or suggested workaround information.

https://support.citrix.com/article/CTX316325