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citrixCitrixCTX335432
HistoryJan 12, 2022 - 11:09 a.m.

Citrix Hypervisor Security Update

2022-01-1211:09:52
support.citrix.com
54

CVSS2

6.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

CVSS3

8.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS

0.001

Percentile

27.5%

JSON

Several security issues have been identified in Citrix Hypervisor, that may each allow privileged code in a guest VM to cause the host to crash or become unresponsive.

These issues have the following identifiers:

  • CVE-2021-28704
  • CVE-2021-28705
  • CVE-2021-28714
  • CVE-2021-28715

All of these issues affect all currently supported versions of Citrix Hypervisor.

Affected configurations

Vulners
Node
citrixhypervisorRange≤8.2cumulative_update1long_term_service
OR
citrixhypervisorRange≤8.2cumulative_update1long_term_service
OR
citrixxenserverRange≤7.1

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CVSS2

6.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

CVSS3

8.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS

0.001

Percentile

27.5%

JSON
Related for CTX335432
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