ID

VAR-202103-0009


CVE

CVE-2020-13554


TITLE

Advantech WebAccess/SCADA  Inappropriate Default Permission Vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2020-016164

DESCRIPTION

An exploitable local privilege elevation vulnerability exists in the file system permissions of Advantech WebAccess/SCADA 9.0.1 installation. In webvrpcs Run Key Privilege Escalation in installation folder of WebAccess, an attacker can either replace binary or loaded modules to execute code with NT SYSTEM privilege. Advantech WebAccess/SCADA Is vulnerable to incorrect default permissions.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. Advantech WebAccess/SCADA is a set of SCADA software based on browser architecture of Advantech. The software supports dynamic graphic display and real-time data control, and provides functions for remote control and management of automation equipment

Trust: 2.25

sources: NVD: CVE-2020-13554 // JVNDB: JVNDB-2020-016164 // CNVD: CNVD-2021-11307 // VULHUB: VHN-166344

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-11307

AFFECTED PRODUCTS

vendor:advantechmodel:webaccess\/scadascope:eqversion:9.0.1

Trust: 1.0

vendor:アドバンテック株式会社model:webaccess/scadascope:eqversion:9.0.1

Trust: 0.8

vendor:アドバンテック株式会社model:webaccess/scadascope:eqversion: -

Trust: 0.8

vendor:advantechmodel:webaccess/scadascope:eqversion:9.0.1

Trust: 0.6

sources: CNVD: CNVD-2021-11307 // JVNDB: JVNDB-2020-016164 // NVD: CVE-2020-13554

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-13554
value: HIGH

Trust: 1.0

talos-cna@cisco.com: CVE-2020-13554
value: HIGH

Trust: 1.0

NVD: CVE-2020-13554
value: HIGH

Trust: 0.8

CNVD: CNVD-2021-11307
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202102-1264
value: HIGH

Trust: 0.6

VULHUB: VHN-166344
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2020-13554
severity: HIGH
baseScore: 7.2
vectorString: AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 3.9
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

CNVD: CNVD-2021-11307
severity: HIGH
baseScore: 7.2
vectorString: AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 3.9
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

VULHUB: VHN-166344
severity: HIGH
baseScore: 7.2
vectorString: AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 3.9
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2020-13554
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.8
impactScore: 5.9
version: 3.1

Trust: 1.0

talos-cna@cisco.com: CVE-2020-13554
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: CHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.0
impactScore: 6.0
version: 3.0

Trust: 1.0

NVD: CVE-2020-13554
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2021-11307 // VULHUB: VHN-166344 // JVNDB: JVNDB-2020-016164 // CNNVD: CNNVD-202102-1264 // NVD: CVE-2020-13554 // NVD: CVE-2020-13554

PROBLEMTYPE DATA

problemtype:CWE-276

Trust: 1.1

problemtype:Inappropriate default permissions (CWE-276) [NVD Evaluation ]

Trust: 0.8

problemtype:CWE-269

Trust: 0.1

sources: VULHUB: VHN-166344 // JVNDB: JVNDB-2020-016164 // NVD: CVE-2020-13554

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202102-1264

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202102-1264

PATCH

title:WebAccess/SCADAurl:https://www.advantech.tw/support/details/installation?id=1-MS9MJV

Trust: 0.8

title:Multiple Advantech Product security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=143433

Trust: 0.6

sources: JVNDB: JVNDB-2020-016164 // CNNVD: CNNVD-202102-1264

EXTERNAL IDS

db:TALOSid:TALOS-2020-1169

Trust: 3.1

db:NVDid:CVE-2020-13554

Trust: 3.1

db:JVNDBid:JVNDB-2020-016164

Trust: 0.8

db:CNVDid:CNVD-2021-11307

Trust: 0.6

db:CNNVDid:CNNVD-202102-1264

Trust: 0.6

db:VULHUBid:VHN-166344

Trust: 0.1

sources: CNVD: CNVD-2021-11307 // VULHUB: VHN-166344 // JVNDB: JVNDB-2020-016164 // CNNVD: CNNVD-202102-1264 // NVD: CVE-2020-13554

REFERENCES

url:https://talosintelligence.com/vulnerability_reports/talos-2020-1169

Trust: 3.1

url:https://nvd.nist.gov/vuln/detail/cve-2020-13554

Trust: 1.4

sources: CNVD: CNVD-2021-11307 // VULHUB: VHN-166344 // JVNDB: JVNDB-2020-016164 // CNNVD: CNNVD-202102-1264 // NVD: CVE-2020-13554

CREDITS

Discovered by Yuri Kramarz of Cisco Talos.

Trust: 0.6

sources: CNNVD: CNNVD-202102-1264

SOURCES

db:CNVDid:CNVD-2021-11307
db:VULHUBid:VHN-166344
db:JVNDBid:JVNDB-2020-016164
db:CNNVDid:CNNVD-202102-1264
db:NVDid:CVE-2020-13554

LAST UPDATE DATE

2024-11-23T22:40:46.743000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-11307date:2021-02-23T00:00:00
db:VULHUBid:VHN-166344date:2022-09-30T00:00:00
db:JVNDBid:JVNDB-2020-016164date:2021-11-11T08:23:00
db:CNNVDid:CNNVD-202102-1264date:2022-04-20T00:00:00
db:NVDid:CVE-2020-13554date:2024-11-21T05:01:29.170

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-11307date:2021-02-22T00:00:00
db:VULHUBid:VHN-166344date:2021-03-03T00:00:00
db:JVNDBid:JVNDB-2020-016164date:2021-11-11T00:00:00
db:CNNVDid:CNNVD-202102-1264date:2021-02-16T00:00:00
db:NVDid:CVE-2020-13554date:2021-03-03T17:15:11.487