CVE-2020-8283

An authorised user on a Windows host running Citrix Universal Print Server can perform arbitrary command execution as SYSTEM in CVAD versions before 2009, 1912 LTSR CU1 hotfixes CTX285870 and CTX286120, 7.15 LTSR CU6 hotfix CTX285344 and 7.6 LTSR CU9.

CVSS v3 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

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

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://support.citrix.com/article/CTX285059	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:citrix:virtual_apps_and_desktops:::::-:::*
	cpe:2.3:a:citrix:virtual_apps_and_desktops:::::ltsr:::*
	cpe:2.3:a:citrix:xenapp:::::ltsr:::*
	cpe:2.3:a:citrix:xenapp:::::ltsr:::*
	cpe:2.3:a:citrix:xenapp:7.6:-:::ltsr:::*
	cpe:2.3:a:citrix:xenapp:7.6:cu8:::ltsr:::*
	cpe:2.3:a:citrix:xenapp:7.15:-:::ltsr:::*
	cpe:2.3:a:citrix:xenapp:7.15:cu6:::ltsr:::*
	cpe:2.3:a:citrix:xendesktop:::::ltsr:::*
	cpe:2.3:a:citrix:xendesktop:::::ltsr:::*
	cpe:2.3:a:citrix:xendesktop:7.6:-:::ltsr:::*
	cpe:2.3:a:citrix:xendesktop:7.6:cu8:::ltsr:::*
	cpe:2.3:a:citrix:xendesktop:7.15:-:::ltsr:::*
	cpe:2.3:a:citrix:xendesktop:7.15:cu6:::ltsr:::*

History

No history.

Information

Published : 2020-12-14 20:15

Updated : 2023-12-10 13:41

NVD link : CVE-2020-8283

Mitre link : CVE-2020-8283

CVE.ORG link : CVE-2020-8283

JSON object : View

Products Affected

citrix

xenapp
virtual_apps_and_desktops
xendesktop

CWE

CWE-269

Improper Privilege Management

{"id": "CVE-2020-8283", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 9.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "authentication": "SINGLE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2020-12-14T20:15:13.840", "references": [{"url": "https://support.citrix.com/article/CTX285059", "tags": ["Vendor Advisory"], "source": "support@hackerone.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-269"}]}, {"type": "Secondary", "source": "support@hackerone.com", "description": [{"lang": "en", "value": "CWE-269"}]}], "descriptions": [{"lang": "en", "value": "An authorised user on a Windows host running Citrix Universal Print Server can perform arbitrary command execution as SYSTEM in CVAD versions before 2009, 1912 LTSR CU1 hotfixes CTX285870 and CTX286120, 7.15 LTSR CU6 hotfix CTX285344 and 7.6 LTSR CU9."}, {"lang": "es", "value": "Un usuario autorizado en un host de Windows que ejecuta Citrix Universal Print Server, puede llevar a cabo comandos arbitrarios como SYSTEM en CVAD versiones anteriores a 2009, 1912 LTSR CU1 hotfixes CTX285870 y CTX286120, versiones 7.15 LTSR CU6 hotfix CTX285344 y 7.6 LTSR CU9"}], "lastModified": "2020-12-17T18:45:00.930", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:citrix:virtual_apps_and_desktops:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "5D9D1D8B-8C9A-4CF7-8CCD-2CFDA4AB5970", "versionEndIncluding": "2006"}, {"criteria": "cpe:2.3:a:citrix:virtual_apps_and_desktops:*:*:*:*:ltsr:*:*:*", "vulnerable": true, "matchCriteriaId": "799D10F0-247F-4BD2-9DA1-D37B043001C8", "versionEndIncluding": "1912", "versionStartIncluding": "1903"}, {"criteria": "cpe:2.3:a:citrix:xenapp:*:*:*:*:ltsr:*:*:*", "vulnerable": true, "matchCriteriaId": "DDB23637-BC09-4914-A028-AA01CB01F24D", "versionEndExcluding": "7.6"}, {"criteria": "cpe:2.3:a:citrix:xenapp:*:*:*:*:ltsr:*:*:*", "vulnerable": true, "matchCriteriaId": "B0FFFD24-0C7B-4D8D-A786-9469D7DA0C35", "versionEndExcluding": "7.15", "versionStartIncluding": "7.7"}, {"criteria": "cpe:2.3:a:citrix:xenapp:7.6:-:*:*:ltsr:*:*:*", "vulnerable": true, "matchCriteriaId": "5A2B7A20-48C6-405C-99C8-06D0F4FE5910"}, {"criteria": "cpe:2.3:a:citrix:xenapp:7.6:cu8:*:*:ltsr:*:*:*", "vulnerable": true, "matchCriteriaId": "6246BB4D-CDB3-4A4B-940D-93293B6C417A"}, {"criteria": "cpe:2.3:a:citrix:xenapp:7.15:-:*:*:ltsr:*:*:*", "vulnerable": true, "matchCriteriaId": "39D97CED-69C7-4762-85E9-978813DB3392"}, {"criteria": "cpe:2.3:a:citrix:xenapp:7.15:cu6:*:*:ltsr:*:*:*", "vulnerable": true, "matchCriteriaId": "2A10B5EA-EC14-47ED-ADBB-D975C6B07BE3"}, {"criteria": "cpe:2.3:a:citrix:xendesktop:*:*:*:*:ltsr:*:*:*", "vulnerable": true, "matchCriteriaId": "31BF23CF-C7C3-4A61-B52B-964E14EE224A", "versionEndExcluding": "7.6"}, {"criteria": "cpe:2.3:a:citrix:xendesktop:*:*:*:*:ltsr:*:*:*", "vulnerable": true, "matchCriteriaId": "2D2866E0-EB16-42AC-8C7F-7C52FDF88B9B", "versionEndExcluding": "7.15", "versionStartIncluding": "7.7"}, {"criteria": "cpe:2.3:a:citrix:xendesktop:7.6:-:*:*:ltsr:*:*:*", "vulnerable": true, "matchCriteriaId": "DF2F2C5D-D5AD-4E22-B182-67A4C0C90F0C"}, {"criteria": "cpe:2.3:a:citrix:xendesktop:7.6:cu8:*:*:ltsr:*:*:*", "vulnerable": true, "matchCriteriaId": "8CAEBBB5-DC51-4718-AC6C-152F7ADE19C1"}, {"criteria": "cpe:2.3:a:citrix:xendesktop:7.15:-:*:*:ltsr:*:*:*", "vulnerable": true, "matchCriteriaId": "1AFF8323-A381-481F-9BE2-F9027D942851"}, {"criteria": "cpe:2.3:a:citrix:xendesktop:7.15:cu6:*:*:ltsr:*:*:*", "vulnerable": true, "matchCriteriaId": "1A2A6CF3-F554-44C9-965E-FEAEDDE44D95"}], "operator": "OR"}]}], "sourceIdentifier": "support@hackerone.com"}