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ID

VAR-202108-0791


CVE

CVE-2021-32943


TITLE

Advantech  Made  WebAccess/SCADA  Multiple vulnerabilities in

Trust: 0.8

sources: JVNDB: JVNDB-2021-002265

DESCRIPTION

The affected product is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code on the WebAccess/SCADA (WebAccess/SCADA versions prior to 8.4.5, WebAccess/SCADA versions prior to 9.0.1). Advantech Provided by the company WebAccess/SCADA Is browser-based SCADA It is a software package. WebAccess/SCADA The following multiple vulnerabilities exist in. * Cross-site scripting (CWE-79) - CVE-2021-22676 ‥ * Relative path traversal (CWE-23) - CVE-2021-22674 ‥ * Stack-based buffer overflow (CWE-121) - CVE-2021-32943The expected impact depends on each vulnerability, but it may be affected as follows. * Crafted by a remote third party JavaScript When the code is sent, cookie/ Session tokens can be hijacked, redirected to malicious websites, or unintentionally manipulated in a web browser - CVE-2021-22676 ‥ * A remote third party can access the product's files and directories without authentication. - CVE-2021-22674 ‥ * Arbitrary code executed by a remote third party - CVE-2021-32943. A buffer overflow vulnerability exists in Advantech WebAccess/SCADA that stems from the product's failure to properly validate data boundaries. An attacker can use this vulnerability to cause stack overflow. Pillow is a Python-based image processing library. There is currently no information about this vulnerability, please feel free to follow CNNVD or manufacturer announcements

Trust: 2.88

sources: NVD: CVE-2021-32943 // JVNDB: JVNDB-2021-002265 // CNVD: CNVD-2021-59234 // CNNVD: CNNVD-202104-975 // VULHUB: VHN-392929 // VULMON: CVE-2021-32943

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-59234

AFFECTED PRODUCTS

vendor:advantechmodel:webaccess\/scadascope:ltversion:8.4.5

Trust: 1.0

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

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vendor:advantechmodel:webaccess\/scadascope:gteversion:9.0

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vendor:アドバンテック株式会社model:webaccess/scadascope:ltversion:8.4.5 earlier s (v8.4 system )

Trust: 0.8

vendor:アドバンテック株式会社model:webaccess/scadascope:ltversion:9.0.1 earlier s (v9.0 system )

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:ltversion:8.4.5

Trust: 0.6

vendor:advantechmodel:webaccess/scadascope:ltversion:9.0.1

Trust: 0.6

sources: CNVD: CNVD-2021-59234 // JVNDB: JVNDB-2021-002265 // NVD: CVE-2021-32943

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-32943
value: CRITICAL

Trust: 1.0

OTHER: JVNDB-2021-002265
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2021-59234
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202104-975
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202108-456
value: CRITICAL

Trust: 0.6

VULHUB: VHN-392929
value: HIGH

Trust: 0.1

VULMON: CVE-2021-32943
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-32943
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: 1.1

CNVD: CNVD-2021-59234
severity: HIGH
baseScore: 10.0
vectorString: AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

VULHUB: VHN-392929
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-2021-32943
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

OTHER: JVNDB-2021-002265
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: CNVD: CNVD-2021-59234 // VULHUB: VHN-392929 // VULMON: CVE-2021-32943 // JVNDB: JVNDB-2021-002265 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202108-456 // NVD: CVE-2021-32943

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.1

problemtype:CWE-121

Trust: 1.0

problemtype:Stack-based buffer overflow (CWE-121) [ Other ]

Trust: 0.8

problemtype: Relative path traversal (CWE-23) [ Other ]

Trust: 0.8

problemtype: Cross-site scripting (CWE-79) [ Other ]

Trust: 0.8

sources: VULHUB: VHN-392929 // JVNDB: JVNDB-2021-002265 // NVD: CVE-2021-32943

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202108-456

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202104-975

PATCH

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

Trust: 0.8

title:Patch for Advantech WebAccess/SCADA Buffer Overflow Vulnerability (CNVD-2021-59234)url:https://www.cnvd.org.cn/patchInfo/show/284486

Trust: 0.6

title:Advantech WebAccess/SCADA Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=158744

Trust: 0.6

sources: CNVD: CNVD-2021-59234 // JVNDB: JVNDB-2021-002265 // CNNVD: CNNVD-202108-456

EXTERNAL IDS

db:ICS CERTid:ICSA-21-217-04

Trust: 3.2

db:NVDid:CVE-2021-32943

Trust: 3.2

db:JVNid:JVNVU92588420

Trust: 0.8

db:JVNDBid:JVNDB-2021-002265

Trust: 0.8

db:CNVDid:CNVD-2021-59234

Trust: 0.6

db:CS-HELPid:SB2021041363

Trust: 0.6

db:CNNVDid:CNNVD-202104-975

Trust: 0.6

db:AUSCERTid:ESB-2021.2656

Trust: 0.6

db:CS-HELPid:SB2021080606

Trust: 0.6

db:CNNVDid:CNNVD-202108-456

Trust: 0.6

db:VULHUBid:VHN-392929

Trust: 0.1

db:VULMONid:CVE-2021-32943

Trust: 0.1

sources: CNVD: CNVD-2021-59234 // VULHUB: VHN-392929 // VULMON: CVE-2021-32943 // JVNDB: JVNDB-2021-002265 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202108-456 // NVD: CVE-2021-32943

REFERENCES

url:https://us-cert.cisa.gov/ics/advisories/icsa-21-217-04

Trust: 3.8

url:http://jvn.jp/cert/jvnvu92588420

Trust: 0.8

url:https://www.cybersecurity-help.cz/vdb/sb2021041363

Trust: 0.6

url:https://www.cybersecurity-help.cz/vdb/sb2021080606

Trust: 0.6

url:https://www.auscert.org.au/bulletins/esb-2021.2656

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/787.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2021-59234 // VULHUB: VHN-392929 // VULMON: CVE-2021-32943 // JVNDB: JVNDB-2021-002265 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202108-456 // NVD: CVE-2021-32943

CREDITS

reported these vulnerabilities to CISA.,Chizuru Toyama of TXOne IoT/ICS Security Research Labs, working with Trend Micro’s Zero Day Initiative

Trust: 0.6

sources: CNNVD: CNNVD-202108-456

SOURCES

db:CNVDid:CNVD-2021-59234
db:VULHUBid:VHN-392929
db:VULMONid:CVE-2021-32943
db:JVNDBid:JVNDB-2021-002265
db:CNNVDid:CNNVD-202104-975
db:CNNVDid:CNNVD-202108-456
db:NVDid:CVE-2021-32943

LAST UPDATE DATE

2024-08-14T13:05:43.795000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-59234date:2022-01-18T00:00:00
db:VULHUBid:VHN-392929date:2021-08-17T00:00:00
db:VULMONid:CVE-2021-32943date:2021-08-17T00:00:00
db:JVNDBid:JVNDB-2021-002265date:2021-08-10T06:49:00
db:CNNVDid:CNNVD-202104-975date:2021-04-14T00:00:00
db:CNNVDid:CNNVD-202108-456date:2021-08-18T00:00:00
db:NVDid:CVE-2021-32943date:2021-08-17T18:42:07.610

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-59234date:2021-08-08T00:00:00
db:VULHUBid:VHN-392929date:2021-08-10T00:00:00
db:VULMONid:CVE-2021-32943date:2021-08-10T00:00:00
db:JVNDBid:JVNDB-2021-002265date:2021-08-10T00:00:00
db:CNNVDid:CNNVD-202104-975date:2021-04-13T00:00:00
db:CNNVDid:CNNVD-202108-456date:2021-08-05T00:00:00
db:NVDid:CVE-2021-32943date:2021-08-10T15:15:07.700