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ID

VAR-202012-1284


CVE

CVE-2020-8257


TITLE

Windows  for  Citrix Gateway  Plugin management vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2020-014591

DESCRIPTION

Improper privilege management on services run by Citrix Gateway Plug-in for Windows, versions before and including 13.0-61.48 and 12.1-58.15, lead to privilege escalation attacks. Windows for Citrix Gateway The plugin contains a vulnerability related to permission management.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. Citrix Systems Gateway (Citrix Systems NetScaler Gateway) is a set of secure remote access solutions from Citrix Systems. The product provides administrators with application-level and data-level control functions to enable users to remotely access applications and data from any location

Trust: 1.8

sources: NVD: CVE-2020-8257 // JVNDB: JVNDB-2020-014591 // VULHUB: VHN-186382 // VULMON: CVE-2020-8257

AFFECTED PRODUCTS

vendor:citrixmodel:gateway plug-inscope:lteversion:12.1-58.15

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vendor:citrixmodel:gateway plug-inscope:gteversion:13.0

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vendor:citrixmodel:gateway plug-inscope:gteversion:12.0

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vendor:citrixmodel:gateway plug-inscope:lteversion:13.0-61.48

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vendor:シトリックス システムズmodel:citrix gateway プラグインscope:eqversion: -

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vendor:シトリックス システムズmodel:citrix gateway プラグインscope:lteversion:citrix gateway plugin 13.0-61.48 and earlier

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vendor:シトリックス システムズmodel:citrix gateway プラグインscope:lteversion:citrix gateway plugin 12.1-58.15 and earlier

Trust: 0.8

sources: JVNDB: JVNDB-2020-014591 // NVD: CVE-2020-8257

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-8257
value: CRITICAL

Trust: 1.0

NVD: CVE-2020-8257
value: CRITICAL

Trust: 0.8

CNNVD: CNNVD-202010-612
value: CRITICAL

Trust: 0.6

VULHUB: VHN-186382
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2020-8257
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

VULHUB: VHN-186382
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2020-8257
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2020-8257
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-186382 // JVNDB: JVNDB-2020-014591 // CNNVD: CNNVD-202010-612 // NVD: CVE-2020-8257

PROBLEMTYPE DATA

problemtype:CWE-269

Trust: 1.1

problemtype:Improper authority management (CWE-269) [NVD Evaluation ]

Trust: 0.8

sources: VULHUB: VHN-186382 // JVNDB: JVNDB-2020-014591 // NVD: CVE-2020-8257

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202010-612

TYPE

other

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sources: CNNVD: CNNVD-202010-612

PATCH

title:CTX282684url:https://support.citrix.com/article/CTX282684

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title:Windows Citrix Gateway Fixes for plugin security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=130255

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title:Citrix Security Bulletins: Citrix Gateway Plug-in for Windows Security Updateurl:https://vulmon.com/vendoradvisory?qidtp=citrix_security_bulletins&qid=5776dadcf61f30df24f95ea999fc8df7

Trust: 0.1

sources: VULMON: CVE-2020-8257 // JVNDB: JVNDB-2020-014591 // CNNVD: CNNVD-202010-612

EXTERNAL IDS

db:NVDid:CVE-2020-8257

Trust: 2.6

db:JVNDBid:JVNDB-2020-014591

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db:CNNVDid:CNNVD-202010-612

Trust: 0.7

db:AUSCERTid:ESB-2020.3517

Trust: 0.6

db:VULHUBid:VHN-186382

Trust: 0.1

db:VULMONid:CVE-2020-8257

Trust: 0.1

sources: VULHUB: VHN-186382 // VULMON: CVE-2020-8257 // JVNDB: JVNDB-2020-014591 // CNNVD: CNNVD-202010-612 // NVD: CVE-2020-8257

REFERENCES

url:https://support.citrix.com/article/ctx282684

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url:https://nvd.nist.gov/vuln/detail/cve-2020-8257

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url:https://www.auscert.org.au/bulletins/esb-2020.3517/

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url:https://exchange.xforce.ibmcloud.com/vulnerabilities/189777

Trust: 0.1

sources: VULHUB: VHN-186382 // VULMON: CVE-2020-8257 // JVNDB: JVNDB-2020-014591 // CNNVD: CNNVD-202010-612 // NVD: CVE-2020-8257

SOURCES

db:VULHUBid:VHN-186382
db:VULMONid:CVE-2020-8257
db:JVNDBid:JVNDB-2020-014591
db:CNNVDid:CNNVD-202010-612
db:NVDid:CVE-2020-8257

LAST UPDATE DATE

2024-11-23T21:51:06.910000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-186382date:2020-12-16T00:00:00
db:VULMONid:CVE-2020-8257date:2020-12-16T00:00:00
db:JVNDBid:JVNDB-2020-014591date:2021-08-25T08:59:00
db:CNNVDid:CNNVD-202010-612date:2020-12-17T00:00:00
db:NVDid:CVE-2020-8257date:2024-11-21T05:38:36.257

SOURCES RELEASE DATE

db:VULHUBid:VHN-186382date:2020-12-14T00:00:00
db:VULMONid:CVE-2020-8257date:2020-12-14T00:00:00
db:JVNDBid:JVNDB-2020-014591date:2021-08-25T00:00:00
db:CNNVDid:CNNVD-202010-612date:2020-10-14T00:00:00
db:NVDid:CVE-2020-8257date:2020-12-14T20:15:13.653