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HackeroneCVE-2020-8270

HistoryNov 16, 2020 - 1:15 a.m.

CVE-2020-8270

2020-11-1601:15:13

CWE-78

hackerone

web.nvd.nist.gov

cve-2020-8270

windows

vda

smb

cvad

command execution

system

security vulnerability

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.8

Confidence

High

EPSS

0.001

Percentile

43.8%

JSON

An unprivileged Windows user on the VDA or an SMB user can perform arbitrary command execution as SYSTEM in CVAD versions before 2009, 1912 LTSR CU1 hotfixes CTX285871 and CTX285872, 7.15 LTSR CU6 hotfix CTX285341 and CTX285342

Affected configurations

Nvd

Node

citrixvirtual_apps_and_desktopsRange≤2006-

citrixvirtual_apps_and_desktopsRange1903–1912ltsr

VendorProductVersionCPE
citrixvirtual_apps_and_desktops*cpe:2.3:a:citrix:virtual_apps_and_desktops:*:*:*:*:-:*:*:*
citrixvirtual_apps_and_desktops*cpe:2.3:a:citrix:virtual_apps_and_desktops:*:*:*:*:ltsr:*:*:*

Vendor	Product	Version	CPE
citrix	virtual_apps_and_desktops	*	cpe:2.3:a:citrix:virtual_apps_and_desktops:::::-:::*
citrix	virtual_apps_and_desktops	*	cpe:2.3:a:citrix:virtual_apps_and_desktops:::::ltsr:::*

CNA Affected

[
  {
    "product": "Citrix Virtual Apps and Desktops",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "2009, 1912 LTSR CU1 hotfixes CTX285871 and CTX285872, 7.15 LTSR CU6 hotfix CTX285341 and CTX285342"
      }
    ]
  }
]

References

support.citrix.com/article/CTX285059

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.8

Confidence

High

EPSS

0.001

Percentile

43.8%

JSON

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