Details of VAR-202110-0393

ID

VAR-202110-0393

CVE

CVE-2021-31372

TITLE

Juniper Networks Junos OS Input validation error vulnerability

Trust: 0.6

sources: CNNVD: CNNVD-202110-948

DESCRIPTION

An Improper Input Validation vulnerability in J-Web of Juniper Networks Junos OS allows a locally authenticated J-Web attacker to escalate their privileges to root over the target device. This issue affects: Juniper Networks Junos OS All versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S6; 19.2 versions prior to 19.2R3-S3; 19.3 versions prior to 19.3R3-S3; 19.4 versions prior to 19.4R3-S5; 20.1 versions prior to 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2, 21.1R3; 21.2 versions prior to 21.2R1-S1, 21.2R2;

Trust: 1.08

sources: NVD: CVE-2021-31372 // VULHUB: VHN-391120 // VULMON: CVE-2021-31372

AFFECTED PRODUCTS

vendor:	juniper	model:	junos	scope:	eq	version:	21.1	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	18.3	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	20.1	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	19.4	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	19.1	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	20.3	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	20.4	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	20.2	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	21.2	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	18.4	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	19.2	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	19.3	Trust: 1.0
vendor:	juniper	model:	junos	scope:	lte	version:	18.2	Trust: 1.0

sources: NVD: CVE-2021-31372

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-31372
value:	HIGH
Trust: 1.0
sirt@juniper.net:	CVE-2021-31372
value:	HIGH
Trust: 1.0
CNNVD:	CNNVD-202110-948
value:	HIGH
Trust: 0.6
VULHUB:	VHN-391120
value:	HIGH
Trust: 0.1
VULMON:	CVE-2021-31372
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2021-31372
severity:	HIGH
baseScore:	9.0
vectorString:	AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	8.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.1
VULHUB:	VHN-391120
severity:	HIGH
baseScore:	9.0
vectorString:	AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	8.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

sirt@juniper.net:	CVE-2021-31372
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

sources: VULHUB: VHN-391120 // VULMON: CVE-2021-31372 // CNNVD: CNNVD-202110-948 // NVD: CVE-2021-31372 // NVD: CVE-2021-31372

PROBLEMTYPE DATA

problemtype:

CWE-20

Trust: 1.1

sources: VULHUB: VHN-391120 // NVD: CVE-2021-31372

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202110-948

TYPE

input validation error

Trust: 0.6

sources: CNNVD: CNNVD-202110-948

PATCH

title:

Juniper Networks Junos OS Enter the fix for the verification error vulnerability

url:

http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=167214

Trust: 0.6

sources: CNNVD: CNNVD-202110-948

EXTERNAL IDS

db:	NVD	id:	CVE-2021-31372	Trust: 1.8
db:	JUNIPER	id:	JSA11237	Trust: 1.8
db:	CNNVD	id:	CNNVD-202110-948	Trust: 0.6
db:	VULHUB	id:	VHN-391120	Trust: 0.1
db:	VULMON	id:	CVE-2021-31372	Trust: 0.1

sources: VULHUB: VHN-391120 // VULMON: CVE-2021-31372 // CNNVD: CNNVD-202110-948 // NVD: CVE-2021-31372

REFERENCES

url:	https://kb.juniper.net/jsa11237	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2021-31372	Trust: 0.6
url:	https://vigilance.fr/vulnerability/junos-os-multiple-vulnerabilities-36656	Trust: 0.6
url:	https://cwe.mitre.org/data/definitions/20.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: VULHUB: VHN-391120 // VULMON: CVE-2021-31372 // CNNVD: CNNVD-202110-948 // NVD: CVE-2021-31372

SOURCES

db:	VULHUB	id:	VHN-391120
db:	VULMON	id:	CVE-2021-31372
db:	CNNVD	id:	CNNVD-202110-948
db:	NVD	id:	CVE-2021-31372

LAST UPDATE DATE

2024-08-14T14:18:21.268000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-391120	date:	2021-10-25T00:00:00
db:	VULMON	id:	CVE-2021-31372	date:	2021-10-25T00:00:00
db:	CNNVD	id:	CNNVD-202110-948	date:	2021-10-27T00:00:00
db:	NVD	id:	CVE-2021-31372	date:	2021-10-25T15:00:58.847

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-391120	date:	2021-10-19T00:00:00
db:	VULMON	id:	CVE-2021-31372	date:	2021-10-19T00:00:00
db:	CNNVD	id:	CNNVD-202110-948	date:	2021-10-13T00:00:00
db:	NVD	id:	CVE-2021-31372	date:	2021-10-19T19:15:10.337