Details of VAR-202202-0368

ID

VAR-202202-0368

CVE

CVE-2021-40360

TITLE

SIMATIC PCS 7 and SIMATIC WinCC Vulnerability in improperly limiting excessive authentication attempts in

Trust: 0.8

sources: JVNDB: JVNDB-2022-005070

DESCRIPTION

A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP1), SIMATIC WinCC V15 and earlier (All versions < V15 SP1 Update 7), SIMATIC WinCC V16 (All versions < V16 Update 5), SIMATIC WinCC V17 (All versions < V17 Update 2), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 19), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 6). The password hash of a local user account in the remote server could be granted via public API to a user on the affected system. An authenticated attacker could brute force the password hash and use it to login to the server. SIMATIC PCS 7 and SIMATIC WinCC Is vulnerable to improper restrictions on excessive authentication attempts.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Siemens SIMATIC PCS 7 and SIMATIC WinCC are the products of Germany's Siemens (Siemens). SIMATIC PCS 7 is a process control system. SIMATIC WinCC is an automated data acquisition and supervisory control (SCADA) system

Trust: 2.25

sources: NVD: CVE-2021-40360 // JVNDB: JVNDB-2022-005070 // CNVD: CNVD-2022-10001 // VULHUB: VHN-401717

IOT TAXONOMY

category:

['ICS']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2022-10001

AFFECTED PRODUCTS

vendor:	siemens	model:	simatic wincc	scope:	eq	version:	7.5	Trust: 1.0
vendor:	siemens	model:	simatic wincc	scope:	eq	version:	15.1	Trust: 1.0
vendor:	siemens	model:	simatic wincc	scope:	eq	version:	13	Trust: 1.0
vendor:	siemens	model:	simatic wincc	scope:	eq	version:	14.0.1	Trust: 1.0
vendor:	siemens	model:	simatic wincc	scope:	eq	version:	16	Trust: 1.0
vendor:	siemens	model:	simatic pcs 7	scope:	lte	version:	8.2	Trust: 1.0
vendor:	siemens	model:	simatic pcs 7	scope:	eq	version:	9.0	Trust: 1.0
vendor:	siemens	model:	simatic pcs 7	scope:	eq	version:	9.1	Trust: 1.0
vendor:	siemens	model:	simatic wincc	scope:	eq	version:	7.4	Trust: 1.0
vendor:	siemens	model:	simatic wincc	scope:	lt	version:	7.4	Trust: 1.0
vendor:	siemens	model:	simatic wincc	scope:	eq	version:	15	Trust: 1.0
vendor:	siemens	model:	simatic wincc	scope:	eq	version:	17	Trust: 1.0
vendor:	シーメンス	model:	simatic pcs 7	scope:	-	version:	-	Trust: 0.8
vendor:	シーメンス	model:	simatic wincc	scope:	-	version:	-	Trust: 0.8
vendor:	siemens	model:	simatic pcs	scope:	eq	version:	7v9.0	Trust: 0.6
vendor:	siemens	model:	simatic pcs	scope:	eq	version:	7<=v8.2	Trust: 0.6
vendor:	siemens	model:	simatic wincc	scope:	lte	version:	<=v15	Trust: 0.6
vendor:	siemens	model:	simatic wincc	scope:	lte	version:	<=v7.4	Trust: 0.6
vendor:	siemens	model:	simatic pcs	scope:	eq	version:	7v9.1	Trust: 0.6
vendor:	siemens	model:	simatic wincc sp2 update	scope:	lt	version:	v7.56	Trust: 0.6
vendor:	siemens	model:	simatic wincc update	scope:	lt	version:	v165	Trust: 0.6
vendor:	siemens	model:	simatic wincc update	scope:	lt	version:	v172	Trust: 0.6

sources: CNVD: CNVD-2022-10001 // JVNDB: JVNDB-2022-005070 // NVD: CVE-2021-40360

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-40360
value:	HIGH
Trust: 1.0
NVD:	CVE-2021-40360
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2022-10001
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202202-593
value:	HIGH
Trust: 0.6
VULHUB:	VHN-401717
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-40360
severity:	MEDIUM
baseScore:	4.0
vectorString:	AV:N/AC:L/AU:S/C:P/I:N/A:N
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	8.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
CNVD:	CNVD-2022-10001
severity:	MEDIUM
baseScore:	5.4
vectorString:	AV:N/AC:H/AU:N/C:C/I:N/A:N
accessVector:	NETWORK
accessComplexity:	HIGH
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	4.9
impactScore:	6.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6
VULHUB:	VHN-401717
severity:	MEDIUM
baseScore:	4.0
vectorString:	AV:N/AC:L/AU:S/C:P/I:N/A:N
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	8.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2021-40360
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	CVE-2021-40360
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
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-2022-10001 // VULHUB: VHN-401717 // JVNDB: JVNDB-2022-005070 // CNNVD: CNNVD-202202-593 // NVD: CVE-2021-40360

PROBLEMTYPE DATA

problemtype:	CWE-522	Trust: 1.0
problemtype:	CWE-200	Trust: 1.0
problemtype:	Inappropriate limitation of excessive authentication attempts (CWE-307) [NVD evaluation ]	Trust: 0.8
problemtype:	CWE-307	Trust: 0.1

sources: VULHUB: VHN-401717 // JVNDB: JVNDB-2022-005070 // NVD: CVE-2021-40360

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202202-593

TYPE

information disclosure

Trust: 0.6

sources: CNNVD: CNNVD-202202-593

PATCH

title:	SSA-914168	url:	https://cert-portal.siemens.com/productcert/pdf/ssa-914168.pdf	Trust: 0.8
title:	Patch for Siemens SIMATIC PCS 7 and SIMATIC WinCC Information Disclosure Vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/318456	Trust: 0.6
title:	Siemens SIMATIC WinCC Repair measures for information disclosure vulnerabilities	url:	http://123.124.177.30/web/xxk/bdxqById.tag?id=182415	Trust: 0.6

sources: CNVD: CNVD-2022-10001 // JVNDB: JVNDB-2022-005070 // CNNVD: CNNVD-202202-593

EXTERNAL IDS

db:	NVD	id:	CVE-2021-40360	Trust: 3.9
db:	SIEMENS	id:	SSA-914168	Trust: 2.3
db:	ICS CERT	id:	ICSA-22-041-02	Trust: 1.4
db:	JVN	id:	JVNVU98748974	Trust: 0.8
db:	JVNDB	id:	JVNDB-2022-005070	Trust: 0.8
db:	CNVD	id:	CNVD-2022-10001	Trust: 0.7
db:	AUSCERT	id:	ESB-2022.0606	Trust: 0.6
db:	CS-HELP	id:	SB2022021107	Trust: 0.6
db:	CNNVD	id:	CNNVD-202202-593	Trust: 0.6
db:	VULHUB	id:	VHN-401717	Trust: 0.1

sources: CNVD: CNVD-2022-10001 // VULHUB: VHN-401717 // JVNDB: JVNDB-2022-005070 // CNNVD: CNNVD-202202-593 // NVD: CVE-2021-40360

REFERENCES

url:	https://cert-portal.siemens.com/productcert/pdf/ssa-914168.pdf	Trust: 2.3
url:	https://nvd.nist.gov/vuln/detail/cve-2021-40360	Trust: 1.4
url:	https://jvn.jp/vu/jvnvu98748974/index.html	Trust: 0.8
url:	https://www.cisa.gov/news-events/ics-advisories/icsa-22-041-02	Trust: 0.8
url:	https://vigilance.fr/vulnerability/simatic-user-access-via-credentials-brute-force-37483	Trust: 0.6
url:	https://www.auscert.org.au/bulletins/esb-2022.0606	Trust: 0.6
url:	https://www.cybersecurity-help.cz/vdb/sb2022021107	Trust: 0.6
url:	https://us-cert.cisa.gov/ics/advisories/icsa-22-041-02	Trust: 0.6

sources: CNVD: CNVD-2022-10001 // VULHUB: VHN-401717 // JVNDB: JVNDB-2022-005070 // CNNVD: CNNVD-202202-593 // NVD: CVE-2021-40360

CREDITS

Siemens reported these vulnerabilities to CISA.

Trust: 0.6

sources: CNNVD: CNNVD-202202-593

SOURCES

db:	CNVD	id:	CNVD-2022-10001
db:	VULHUB	id:	VHN-401717
db:	JVNDB	id:	JVNDB-2022-005070
db:	CNNVD	id:	CNNVD-202202-593
db:	NVD	id:	CVE-2021-40360

LAST UPDATE DATE

2024-08-14T12:08:37.091000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2022-10001	date:	2022-02-14T00:00:00
db:	VULHUB	id:	VHN-401717	date:	2022-10-06T00:00:00
db:	JVNDB	id:	JVNDB-2022-005070	date:	2023-05-16T08:50:00
db:	CNNVD	id:	CNNVD-202202-593	date:	2023-07-18T00:00:00
db:	NVD	id:	CVE-2021-40360	date:	2023-07-17T15:15:56.653

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2022-10001	date:	2022-02-14T00:00:00
db:	VULHUB	id:	VHN-401717	date:	2022-02-09T00:00:00
db:	JVNDB	id:	JVNDB-2022-005070	date:	2023-05-16T00:00:00
db:	CNNVD	id:	CNNVD-202202-593	date:	2022-02-08T00:00:00
db:	NVD	id:	CVE-2021-40360	date:	2022-02-09T16:15:13.813