Details of VAR-202108-0801

ID

VAR-202108-0801

CVE

CVE-2021-33485

TITLE

CODESYS Control Runtime system Out-of-bounds write vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2021-010246

DESCRIPTION

CODESYS Control Runtime system before 3.5.17.10 has a Heap-based Buffer Overflow. CODESYS Control Runtime system Exists in an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state

Trust: 1.71

sources: NVD: CVE-2021-33485 // JVNDB: JVNDB-2021-010246 // VULMON: CVE-2021-33485

AFFECTED PRODUCTS

vendor:	codesys	model:	control	scope:	lte	version:	4.2.0.0	Trust: 1.0
vendor:	codesys	model:	embedded target visu toolkit	scope:	lt	version:	3.5.17.10	Trust: 1.0
vendor:	codesys	model:	control runtime system toolkit	scope:	lt	version:	3.5.17.10	Trust: 1.0
vendor:	codesys	model:	control rte	scope:	lt	version:	3.5.17.10	Trust: 1.0
vendor:	codesys	model:	remote target visu toolkit	scope:	lt	version:	3.5.17.10	Trust: 1.0
vendor:	codesys	model:	hmi	scope:	lt	version:	3.5.17.10	Trust: 1.0
vendor:	codesys	model:	control	scope:	lt	version:	4.2.0.0	Trust: 1.0
vendor:	codesys	model:	control win sl	scope:	lt	version:	3.5.17.10	Trust: 1.0
vendor:	codesys	model:	hmi	scope:	-	version:	-	Trust: 0.8
vendor:	codesys	model:	control	scope:	-	version:	-	Trust: 0.8
vendor:	codesys	model:	embedded target visu toolkit	scope:	-	version:	-	Trust: 0.8
vendor:	codesys	model:	control runtime system toolkit	scope:	-	version:	-	Trust: 0.8
vendor:	codesys	model:	remote target visu toolkit	scope:	-	version:	-	Trust: 0.8
vendor:	codesys	model:	control rte	scope:	-	version:	-	Trust: 0.8
vendor:	codesys	model:	control win sl	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2021-010246 // NVD: CVE-2021-33485

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-33485
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2021-33485
value:	CRITICAL
Trust: 0.8
CNNVD:	CNNVD-202108-303
value:	CRITICAL
Trust: 0.6

nvd@nist.gov:	CVE-2021-33485
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

nvd@nist.gov:	CVE-2021-33485
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-2021-33485
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: JVNDB: JVNDB-2021-010246 // CNNVD: CNNVD-202108-303 // NVD: CVE-2021-33485

PROBLEMTYPE DATA

problemtype:	CWE-787	Trust: 1.0
problemtype:	Out-of-bounds writing (CWE-787) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-010246 // NVD: CVE-2021-33485

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202108-303

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202108-303

PATCH

title:	Advisory 2021-09	url:	https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14805&token=f0b86f99bb302ddd4aadec483aed5f5d3fddbf1a&download=	Trust: 0.8
title:	3S-Smart Software Solutions CODESYS Control runtime system Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=158555	Trust: 0.6

sources: JVNDB: JVNDB-2021-010246 // CNNVD: CNNVD-202108-303

EXTERNAL IDS

db:	NVD	id:	CVE-2021-33485	Trust: 3.3
db:	JVNDB	id:	JVNDB-2021-010246	Trust: 0.8
db:	CNNVD	id:	CNNVD-202108-303	Trust: 0.6
db:	VULMON	id:	CVE-2021-33485	Trust: 0.1

sources: VULMON: CVE-2021-33485 // JVNDB: JVNDB-2021-010246 // CNNVD: CNNVD-202108-303 // NVD: CVE-2021-33485

REFERENCES

url:	https://customers.codesys.com/index.php?eid=dumpfile&t=f&f=14805&token=f0b86f99bb302ddd4aadec483aed5f5d3fddbf1a&download=	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-33485	Trust: 0.8
url:	https://nvd.nist.gov	Trust: 0.1

sources: VULMON: CVE-2021-33485 // JVNDB: JVNDB-2021-010246 // CNNVD: CNNVD-202108-303 // NVD: CVE-2021-33485

SOURCES

db:	VULMON	id:	CVE-2021-33485
db:	JVNDB	id:	JVNDB-2021-010246
db:	CNNVD	id:	CNNVD-202108-303
db:	NVD	id:	CVE-2021-33485

LAST UPDATE DATE

2024-08-14T15:17:08.707000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-33485	date:	2021-08-03T00:00:00
db:	JVNDB	id:	JVNDB-2021-010246	date:	2022-06-27T08:38:00
db:	CNNVD	id:	CNNVD-202108-303	date:	2021-08-18T00:00:00
db:	NVD	id:	CVE-2021-33485	date:	2021-08-17T13:14:46.410

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-33485	date:	2021-08-03T00:00:00
db:	JVNDB	id:	JVNDB-2021-010246	date:	2022-06-27T00:00:00
db:	CNNVD	id:	CNNVD-202108-303	date:	2021-08-03T00:00:00
db:	NVD	id:	CVE-2021-33485	date:	2021-08-03T16:15:08.583