Details of VAR-202110-0147

ID

VAR-202110-0147

CVE

CVE-2021-35977

TITLE

Windows for Digi RealPort Classic buffer overflow vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2021-014066

DESCRIPTION

An issue was discovered in Digi RealPort for Windows through 4.8.488.0. A buffer overflow exists in the handling of ADDP discovery response messages. This could result in arbitrary code execution. Windows for Digi RealPort Exists in a classic buffer overflow 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-2021-35977 // JVNDB: JVNDB-2021-014066 // VULMON: CVE-2021-35977

AFFECTED PRODUCTS

vendor:	digi	model:	6350-sr	scope:	eq	version:	*	Trust: 1.0
vendor:	digi	model:	transport wr11 xt	scope:	eq	version:	*	Trust: 1.0
vendor:	digi	model:	portserver ts	scope:	eq	version:	*	Trust: 1.0
vendor:	digi	model:	portserver ts m mei	scope:	eq	version:	*	Trust: 1.0
vendor:	digi	model:	wr21	scope:	eq	version:	*	Trust: 1.0
vendor:	digi	model:	connect es	scope:	eq	version:	*	Trust: 1.0
vendor:	digi	model:	realport	scope:	lte	version:	1.9-40	Trust: 1.0
vendor:	digi	model:	cm	scope:	eq	version:	*	Trust: 1.0
vendor:	digi	model:	passport integrated console server	scope:	eq	version:	*	Trust: 1.0
vendor:	digi	model:	one iap family	scope:	eq	version:	*	Trust: 1.0
vendor:	digi	model:	connectport lts 8\/16\/32	scope:	eq	version:	*	Trust: 1.0
vendor:	digi	model:	connectport ts 8\/16	scope:	eq	version:	*	Trust: 1.0
vendor:	digi	model:	wr31	scope:	eq	version:	*	Trust: 1.0
vendor:	digi	model:	portserver ts p mei	scope:	eq	version:	*	Trust: 1.0
vendor:	digi	model:	one ia	scope:	eq	version:	*	Trust: 1.0
vendor:	digi	model:	portserver ts mei hardened	scope:	eq	version:	*	Trust: 1.0
vendor:	digi	model:	realport	scope:	lte	version:	4.8.488.0	Trust: 1.0
vendor:	digi	model:	portserver ts mei	scope:	eq	version:	*	Trust: 1.0
vendor:	digi	model:	wr44 r	scope:	eq	version:	*	Trust: 1.0
vendor:	digi	model:	portserver ts	scope:	-	version:	-	Trust: 0.8
vendor:	digi	model:	connectport lts 8/16/32	scope:	-	version:	-	Trust: 0.8
vendor:	digi	model:	passport integrated console server	scope:	-	version:	-	Trust: 0.8
vendor:	digi	model:	portserver ts m mei	scope:	-	version:	-	Trust: 0.8
vendor:	digi	model:	6350-sr	scope:	-	version:	-	Trust: 0.8
vendor:	digi	model:	cm	scope:	-	version:	-	Trust: 0.8
vendor:	digi	model:	portserver ts mei hardened	scope:	-	version:	-	Trust: 0.8
vendor:	digi	model:	realport	scope:	-	version:	-	Trust: 0.8
vendor:	digi	model:	portserver ts mei	scope:	-	version:	-	Trust: 0.8
vendor:	digi	model:	connectport ts 8/16	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2021-014066 // NVD: CVE-2021-35977

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-35977
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2021-35977
value:	CRITICAL
Trust: 0.8
CNNVD:	CNNVD-202110-485
value:	CRITICAL
Trust: 0.6
VULMON:	CVE-2021-35977
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2021-35977
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: 1.9

nvd@nist.gov:	CVE-2021-35977
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-2021-35977
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: VULMON: CVE-2021-35977 // JVNDB: JVNDB-2021-014066 // CNNVD: CNNVD-202110-485 // NVD: CVE-2021-35977

PROBLEMTYPE DATA

problemtype:	CWE-120	Trust: 1.0
problemtype:	Classic buffer overflow (CWE-120) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-014066 // NVD: CVE-2021-35977

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202110-485

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202110-485

PATCH

title:

Top Page

url:

https://www.digi.com/

Trust: 0.8

sources: JVNDB: JVNDB-2021-014066

EXTERNAL IDS

db:	NVD	id:	CVE-2021-35977	Trust: 3.3
db:	JVNDB	id:	JVNDB-2021-014066	Trust: 0.8
db:	CNNVD	id:	CNNVD-202110-485	Trust: 0.6
db:	VULMON	id:	CVE-2021-35977	Trust: 0.1

sources: VULMON: CVE-2021-35977 // JVNDB: JVNDB-2021-014066 // CNNVD: CNNVD-202110-485 // NVD: CVE-2021-35977

REFERENCES

url:	https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/main/2021-02.txt	Trust: 2.5
url:	https://nvd.nist.gov/vuln/detail/cve-2021-35977	Trust: 1.4
url:	https://cwe.mitre.org/data/definitions/120.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: VULMON: CVE-2021-35977 // JVNDB: JVNDB-2021-014066 // CNNVD: CNNVD-202110-485 // NVD: CVE-2021-35977

SOURCES

db:	VULMON	id:	CVE-2021-35977
db:	JVNDB	id:	JVNDB-2021-014066
db:	CNNVD	id:	CNNVD-202110-485
db:	NVD	id:	CVE-2021-35977

LAST UPDATE DATE

2024-08-14T14:55:47.566000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-35977	date:	2021-10-16T00:00:00
db:	JVNDB	id:	JVNDB-2021-014066	date:	2022-10-04T05:05:00
db:	CNNVD	id:	CNNVD-202110-485	date:	2021-10-19T00:00:00
db:	NVD	id:	CVE-2021-35977	date:	2023-05-26T18:18:32.127

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-35977	date:	2021-10-08T00:00:00
db:	JVNDB	id:	JVNDB-2021-014066	date:	2022-10-04T00:00:00
db:	CNNVD	id:	CNNVD-202110-485	date:	2021-10-08T00:00:00
db:	NVD	id:	CVE-2021-35977	date:	2021-10-08T15:15:08.870