Details of VAR-202110-1969

ID

VAR-202110-1969

CVE

CVE-2021-34567

TITLE

plural WAGO Product out-of-bounds read vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-020495

DESCRIPTION

In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to provoke a denial of service and an limited out-of-bounds read. 750-8100 firmware, 750-8101 firmware, 750-8101/025-000 firmware etc. WAGO The product contains an out-of-bounds read vulnerability.Information is obtained and service operation is interrupted (DoS) It may be in a state

Trust: 1.62

sources: NVD: CVE-2021-34567 // JVNDB: JVNDB-2021-020495

AFFECTED PRODUCTS

vendor:	wago	model:	750-8202\/025-000	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4103	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4102	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-4202\/8000-001	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	750-8202\/000-012	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-6202\/8000-001	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	750-8202\/040-000	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-4201\/8000-001	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-6204\/8000-001	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	750-8202\/000-011	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-6303\/8000-002	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-5205\/8000-001	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4305\/8000-002	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-6302\/8000-002	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4206\/8000-002	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	750-8202\/000-012	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-6202\/8000-001	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-5203\/8000-001	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	750-8202\/025-002	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-6303\/8000-002	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-4204\/8000-001	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	750-8202\/040-001	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-5306\/8000-002	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-6302\/8000-002	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	750-8202\/025-001	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	750-8202\/000-011	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-4104	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-4101	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-6201\/8000-001	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4302\/8000-002	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-5303\/8000-002	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	752-8303\/8000-002	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4203\/8000-001	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-4206\/8000-002	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-5304\/8000-002	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	750-8101\/025-000	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-6203\/8000-001	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-4202\/8000-001	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	750-8202	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	750-8202\/040-000	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-6204\/8000-001	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4205\/8000-001	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4305\/8000-002	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-6301\/8000-002	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	750-8101	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	750-8102	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-5204\/8000-001	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	750-8202	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-5203\/8000-001	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	750-8202\/000-022	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	750-8100	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-4204\/8000-001	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	750-8202\/025-001	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4104	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4302\/8000-002	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	750-8102	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	750-8102\/025-000	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4203\/8000-001	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	750-8101\/025-000	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4303\/8000-002	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-4306\/8000-002	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-5304\/8000-002	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-6203\/8000-001	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	750-8202\/040-001	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4103	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-4101	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4304\/8000-002	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-5305\/8000-002	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-6301\/8000-002	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-5206\/8000-001	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-4301\/8000-002	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-4205\/8000-002	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4205\/8000-001	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	750-8202\/025-000	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	750-8101	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	750-8102\/025-000	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-4206\/8000-001	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4201\/8000-001	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-5204\/8000-001	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-6304\/8000-002	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	750-8202\/000-022	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-5205\/8000-001	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-6304\/8000-002	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	750-8100	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4304\/8000-002	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-4205\/8000-002	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-4206\/8000-001	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-4102	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4303\/8000-002	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4306\/8000-002	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	750-8202\/025-002	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-5306\/8000-002	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-5305\/8000-002	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-6201\/8000-001	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-5303\/8000-002	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	752-8303\/8000-002	scope:	lt	version:	18	Trust: 1.0
vendor:	wago	model:	762-5206\/8000-001	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	762-4301\/8000-002	scope:	eq	version:	18	Trust: 1.0
vendor:	wago	model:	750-8202/000-012	scope:	-	version:	-	Trust: 0.8
vendor:	wago	model:	750-8102	scope:	-	version:	-	Trust: 0.8
vendor:	wago	model:	750-8202/025-000	scope:	-	version:	-	Trust: 0.8
vendor:	wago	model:	750-8101/025-000	scope:	-	version:	-	Trust: 0.8
vendor:	wago	model:	750-8100	scope:	-	version:	-	Trust: 0.8
vendor:	wago	model:	750-8101	scope:	-	version:	-	Trust: 0.8
vendor:	wago	model:	750-8202/000-011	scope:	-	version:	-	Trust: 0.8
vendor:	wago	model:	750-8102/025-000	scope:	-	version:	-	Trust: 0.8
vendor:	wago	model:	750-8202	scope:	-	version:	-	Trust: 0.8
vendor:	wago	model:	750-8202/000-022	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2021-020495 // NVD: CVE-2021-34567

CVSS

SEVERITY

CVSSV2

CVSSV3

info@cert.vde.com:	CVE-2021-34567
value:	HIGH
Trust: 1.0
OTHER:	JVNDB-2021-020495
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202211-2420
value:	HIGH
Trust: 0.6

info@cert.vde.com:	CVE-2021-34567
baseSeverity:	HIGH
baseScore:	8.2
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	4.2
version:	3.1
Trust: 1.0
OTHER:	JVNDB-2021-020495
baseSeverity:	HIGH
baseScore:	8.2
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: JVNDB: JVNDB-2021-020495 // CNNVD: CNNVD-202211-2420 // NVD: CVE-2021-34567

PROBLEMTYPE DATA

problemtype:	CWE-125	Trust: 1.0
problemtype:	Out-of-bounds read (CWE-125) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-020495 // NVD: CVE-2021-34567

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202211-2420

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202211-2420

PATCH

title:	WAGO Buffer error vulnerability fix	url:	http://123.124.177.30/web/xxk/bdxqById.tag?id=213540	Trust: 0.6
title:	cve-2021-34567	url:	https://github.com/hu185396/cve-2021-34567	Trust: 0.1

sources: VULMON: CVE-2021-34567 // CNNVD: CNNVD-202211-2420

EXTERNAL IDS

db:	NVD	id:	CVE-2021-34567	Trust: 3.3
db:	CERT@VDE	id:	VDE-2020-036	Trust: 2.4
db:	JVNDB	id:	JVNDB-2021-020495	Trust: 0.8
db:	CNNVD	id:	CNNVD-202211-2420	Trust: 0.6
db:	VULMON	id:	CVE-2021-34567	Trust: 0.1

sources: VULMON: CVE-2021-34567 // JVNDB: JVNDB-2021-020495 // CNNVD: CNNVD-202211-2420 // NVD: CVE-2021-34567

REFERENCES

url:	https://cert.vde.com/en/advisories/vde-2020-036/	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2021-34567	Trust: 0.8
url:	https://cxsecurity.com/cveshow/cve-2021-34567/	Trust: 0.6
url:	https://github.com/hu185396/cve-2021-34567	Trust: 0.1

sources: VULMON: CVE-2021-34567 // JVNDB: JVNDB-2021-020495 // CNNVD: CNNVD-202211-2420 // NVD: CVE-2021-34567

SOURCES

db:	VULMON	id:	CVE-2021-34567
db:	JVNDB	id:	JVNDB-2021-020495
db:	CNNVD	id:	CNNVD-202211-2420
db:	NVD	id:	CVE-2021-34567

LAST UPDATE DATE

2024-08-14T14:02:14.299000+00:00

SOURCES UPDATE DATE

db:	JVNDB	id:	JVNDB-2021-020495	date:	2023-11-02T08:06:00
db:	CNNVD	id:	CNNVD-202211-2420	date:	2022-11-10T00:00:00
db:	NVD	id:	CVE-2021-34567	date:	2023-11-07T03:36:01.837

SOURCES RELEASE DATE

db:	JVNDB	id:	JVNDB-2021-020495	date:	2023-11-02T00:00:00
db:	CNNVD	id:	CNNVD-202211-2420	date:	2022-11-09T00:00:00
db:	NVD	id:	CVE-2021-34567	date:	2022-11-09T16:15:11.703