Details of VAR-202110-0409

ID

VAR-202110-0409

CVE

CVE-2021-31386

TITLE

Juniper Networks Junos OS Security hole

Trust: 0.6

sources: CNNVD: CNNVD-202110-937

DESCRIPTION

A Protection Mechanism Failure vulnerability in the J-Web HTTP service of Juniper Networks Junos OS allows a remote unauthenticated attacker to perform Person-in-the-Middle (PitM) attacks against the device. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S20; 15.1 versions prior to 15.1R7-S11; 18.3 versions prior to 18.3R3-S6; 18.4 versions prior to 18.4R3-S10; 19.1 versions prior to 19.1R3-S7; 19.2 versions prior to 19.2R3-S4; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2

Trust: 1.08

sources: NVD: CVE-2021-31386 // VULHUB: VHN-391134 // VULMON: CVE-2021-31386

AFFECTED PRODUCTS

vendor:	juniper	model:	junos	scope:	eq	version:	21.1	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	15.1	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:	12.3	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:	eq	version:	18.3	Trust: 1.0

sources: NVD: CVE-2021-31386

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-31386
value:	MEDIUM
Trust: 1.0
sirt@juniper.net:	CVE-2021-31386
value:	MEDIUM
Trust: 1.0
CNNVD:	CNNVD-202110-937
value:	MEDIUM
Trust: 0.6
VULHUB:	VHN-391134
value:	LOW
Trust: 0.1
VULMON:	CVE-2021-31386
value:	LOW
Trust: 0.1

nvd@nist.gov:	CVE-2021-31386
severity:	LOW
baseScore:	2.6
vectorString:	AV:N/AC:H/AU:N/C:P/I:N/A:N
accessVector:	NETWORK
accessComplexity:	HIGH
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	4.9
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.1
VULHUB:	VHN-391134
severity:	LOW
baseScore:	2.6
vectorString:	AV:N/AC:H/AU:N/C:P/I:N/A:N
accessVector:	NETWORK
accessComplexity:	HIGH
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	4.9
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2021-31386
baseSeverity:	MEDIUM
baseScore:	5.9
vectorString:	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
attackVector:	NETWORK
attackComplexity:	HIGH
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	2.2
impactScore:	3.6
version:	3.1
Trust: 1.0
sirt@juniper.net:	CVE-2021-31386
baseSeverity:	MEDIUM
baseScore:	5.3
vectorString:	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
attackVector:	NETWORK
attackComplexity:	HIGH
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	NONE
availabilityImpact:	NONE
exploitabilityScore:	1.6
impactScore:	3.6
version:	3.1
Trust: 1.0

sources: VULHUB: VHN-391134 // VULMON: CVE-2021-31386 // CNNVD: CNNVD-202110-937 // NVD: CVE-2021-31386 // NVD: CVE-2021-31386

PROBLEMTYPE DATA

problemtype:	NVD-CWE-Other	Trust: 1.0
problemtype:	CWE-693	Trust: 1.0
problemtype:	CWE-325	Trust: 1.0
problemtype:	CWE-311	Trust: 1.0
problemtype:	CWE-300	Trust: 1.0

sources: NVD: CVE-2021-31386

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202110-937

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202110-937

PATCH

title:

Juniper Networks Junos OS Security vulnerabilities

url:

http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=166566

Trust: 0.6

sources: CNNVD: CNNVD-202110-937

EXTERNAL IDS

db:	NVD	id:	CVE-2021-31386	Trust: 1.8
db:	JUNIPER	id:	JSA11254	Trust: 1.8
db:	CNNVD	id:	CNNVD-202110-937	Trust: 0.6
db:	VULHUB	id:	VHN-391134	Trust: 0.1
db:	VULMON	id:	CVE-2021-31386	Trust: 0.1

sources: VULHUB: VHN-391134 // VULMON: CVE-2021-31386 // CNNVD: CNNVD-202110-937 // NVD: CVE-2021-31386

REFERENCES

url:	https://kb.juniper.net/jsa11254	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2021-31386	Trust: 0.6
url:	https://vigilance.fr/vulnerability/junos-os-multiple-vulnerabilities-36656	Trust: 0.6
url:	https://cwe.mitre.org/data/definitions/.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: VULHUB: VHN-391134 // VULMON: CVE-2021-31386 // CNNVD: CNNVD-202110-937 // NVD: CVE-2021-31386

SOURCES

db:	VULHUB	id:	VHN-391134
db:	VULMON	id:	CVE-2021-31386
db:	CNNVD	id:	CNNVD-202110-937
db:	NVD	id:	CVE-2021-31386

LAST UPDATE DATE

2024-08-14T14:31:37.053000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-391134	date:	2021-10-25T00:00:00
db:	VULMON	id:	CVE-2021-31386	date:	2021-10-25T00:00:00
db:	CNNVD	id:	CNNVD-202110-937	date:	2021-11-02T00:00:00
db:	NVD	id:	CVE-2021-31386	date:	2021-10-25T17:17:56.470

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-391134	date:	2021-10-19T00:00:00
db:	VULMON	id:	CVE-2021-31386	date:	2021-10-19T00:00:00
db:	CNNVD	id:	CNNVD-202110-937	date:	2021-10-13T00:00:00
db:	NVD	id:	CVE-2021-31386	date:	2021-10-19T19:15:11.510