Details of VAR-202004-2190

ID

VAR-202004-2190

CVE

CVE-2020-1637

TITLE

Juniper Networks Junos OS Authentication vulnerabilities in

Trust: 0.8

sources: JVNDB: JVNDB-2020-003943

DESCRIPTION

A vulnerability in Juniper Networks SRX Series device configured as a Junos OS Enforcer device may allow a user to access network resources that are not permitted by a UAC policy. This issue might occur when the IP address range configured in the Infranet Controller (IC) is configured as an IP address range instead of an IP address/netmask. See the Workaround section for more detail. The Junos OS Enforcer CLI settings are disabled by default. This issue affects Juniper Networks Junos OS on SRX Series: 12.3X48 versions prior to 12.3X48-D100; 15.1X49 versions prior to 15.1X49-D210; 17.3 versions prior to 17.3R2-S5, 17.3R3-S8; 17.4 versions prior to 17.4R2-S9, 17.4R3-S1; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R2-S7, 18.2R3-S3; 18.3 versions prior to 18.3R1-S7, 18.3R3-S2; 18.4 versions prior to 18.4R1-S6, 18.4R2-S4, 18.4R3-S1; 19.1 versions prior to 19.1R1-S4, 19.1R2-S1, 19.1R3; 19.2 versions prior to 19.2R1-S3, 19.2R2; 19.3 versions prior to 19.3R2-S1, 19.3R3; 19.4 versions prior to 19.4R1-S1, 19.4R2. Juniper Networks Junos OS There is an authentication vulnerability in.Information may be obtained and tampered with. Juniper Networks SRX Series is a set of SRX series service gateway equipment of Juniper Networks. Junos OS is a network operating system dedicated to the company's hardware equipment. Attackers can use this vulnerability to bypass network resources restricted by UAC policies

Trust: 2.25

sources: NVD: CVE-2020-1637 // JVNDB: JVNDB-2020-003943 // CNVD: CNVD-2020-33672 // VULHUB: VHN-169441

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2020-33672

AFFECTED PRODUCTS

vendor:	juniper	model:	junos	scope:	eq	version:	17.3	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	18.1	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	17.4	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	18.2	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	12.3x48	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	19.4	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	15.1x49	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	19.1	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
vendor:	juniper	model:	junos os	scope:	-	version:	-	Trust: 0.8
vendor:	juniper	model:	networks junos os	scope:	eq	version:	15.1x49	Trust: 0.6
vendor:	juniper	model:	networks junos os	scope:	eq	version:	12.3x48	Trust: 0.6
vendor:	juniper	model:	networks junos os	scope:	eq	version:	17.3	Trust: 0.6
vendor:	juniper	model:	networks junos os	scope:	eq	version:	17.4	Trust: 0.6
vendor:	juniper	model:	networks junos os	scope:	eq	version:	18.1	Trust: 0.6
vendor:	juniper	model:	networks junos os	scope:	eq	version:	18.2	Trust: 0.6
vendor:	juniper	model:	networks junos os	scope:	eq	version:	18.3	Trust: 0.6
vendor:	juniper	model:	networks junos os	scope:	eq	version:	19.1	Trust: 0.6
vendor:	juniper	model:	networks junos os	scope:	eq	version:	18.4	Trust: 0.6
vendor:	juniper	model:	networks juniper networks junos os	scope:	eq	version:	19.3	Trust: 0.6
vendor:	juniper	model:	networks junos os	scope:	eq	version:	19.2	Trust: 0.6
vendor:	juniper	model:	networks junos os	scope:	eq	version:	19.4	Trust: 0.6

sources: CNVD: CNVD-2020-33672 // JVNDB: JVNDB-2020-003943 // NVD: CVE-2020-1637

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-1637
value:	MEDIUM
Trust: 1.0
sirt@juniper.net:	CVE-2020-1637
value:	HIGH
Trust: 1.0
NVD:	JVNDB-2020-003943
value:	MEDIUM
Trust: 0.8
CNVD:	CNVD-2020-33672
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202004-528
value:	MEDIUM
Trust: 0.6
VULHUB:	VHN-169441
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2020-1637
severity:	MEDIUM
baseScore:	5.8
vectorString:	AV:N/AC:M/AU:N/C:P/I:P/A:N
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	NONE
exploitabilityScore:	8.6
impactScore:	4.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.0
NVD:	JVNDB-2020-003943
severity:	MEDIUM
baseScore:	5.8
vectorString:	AV:N/AC:M/AU:N/C:P/I:P/A:N
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	NONE
exploitabilityScore:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.8
CNVD:	CNVD-2020-33672
severity:	MEDIUM
baseScore:	5.8
vectorString:	AV:N/AC:M/AU:N/C:P/I:P/A:N
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	NONE
exploitabilityScore:	8.6
impactScore:	4.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6
VULHUB:	VHN-169441
severity:	MEDIUM
baseScore:	5.8
vectorString:	AV:N/AC:M/AU:N/C:P/I:P/A:N
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	NONE
exploitabilityScore:	8.6
impactScore:	4.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2020-1637
baseSeverity:	MEDIUM
baseScore:	6.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	NONE
exploitabilityScore:	3.9
impactScore:	2.5
version:	3.1
Trust: 1.0
sirt@juniper.net:	CVE-2020-1637
baseSeverity:	HIGH
baseScore:	7.2
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	CHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	NONE
exploitabilityScore:	3.9
impactScore:	2.7
version:	3.1
Trust: 1.0
NVD:	JVNDB-2020-003943
baseSeverity:	MEDIUM
baseScore:	6.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	NONE
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2020-33672 // VULHUB: VHN-169441 // JVNDB: JVNDB-2020-003943 // CNNVD: CNNVD-202004-528 // NVD: CVE-2020-1637 // NVD: CVE-2020-1637

PROBLEMTYPE DATA

problemtype:	CWE-287	Trust: 1.9
problemtype:	CWE-288	Trust: 1.0

sources: VULHUB: VHN-169441 // JVNDB: JVNDB-2020-003943 // NVD: CVE-2020-1637

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202004-528

TYPE

authorization issue

Trust: 0.6

sources: CNNVD: CNNVD-202004-528

CONFIGURATIONS

sources: JVNDB: JVNDB-2020-003943

PATCH

title:	JSA11018	url:	https://kb.juniper.net/JSA11018	Trust: 0.8
title:	Patch for Juniper Networks Junos OS on SRX Series authorization issue vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/222455	Trust: 0.6
title:	Juniper Networks Junos OS on SRX Series Remediation measures for authorization problem vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=115730	Trust: 0.6

sources: CNVD: CNVD-2020-33672 // JVNDB: JVNDB-2020-003943 // CNNVD: CNNVD-202004-528

EXTERNAL IDS

db:	NVD	id:	CVE-2020-1637	Trust: 3.1
db:	JUNIPER	id:	JSA11018	Trust: 1.7
db:	JVNDB	id:	JVNDB-2020-003943	Trust: 0.8
db:	CNVD	id:	CNVD-2020-33672	Trust: 0.7
db:	CNNVD	id:	CNNVD-202004-528	Trust: 0.6
db:	VULHUB	id:	VHN-169441	Trust: 0.1

sources: CNVD: CNVD-2020-33672 // VULHUB: VHN-169441 // JVNDB: JVNDB-2020-003943 // CNNVD: CNNVD-202004-528 // NVD: CVE-2020-1637

REFERENCES

url:	https://nvd.nist.gov/vuln/detail/cve-2020-1637	Trust: 2.0
url:	https://kb.juniper.net/jsa11018	Trust: 1.7
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2020-1637	Trust: 0.8
url:	https://vigilance.fr/vulnerability/junos-os-srx-privilege-escalation-via-uac-bypass-31978	Trust: 0.6

sources: CNVD: CNVD-2020-33672 // VULHUB: VHN-169441 // JVNDB: JVNDB-2020-003943 // CNNVD: CNNVD-202004-528 // NVD: CVE-2020-1637

SOURCES

db:	CNVD	id:	CNVD-2020-33672
db:	VULHUB	id:	VHN-169441
db:	JVNDB	id:	JVNDB-2020-003943
db:	CNNVD	id:	CNNVD-202004-528
db:	NVD	id:	CVE-2020-1637

LAST UPDATE DATE

2024-08-14T14:50:44.062000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2020-33672	date:	2020-06-19T00:00:00
db:	VULHUB	id:	VHN-169441	date:	2021-11-28T00:00:00
db:	JVNDB	id:	JVNDB-2020-003943	date:	2020-04-30T00:00:00
db:	CNNVD	id:	CNNVD-202004-528	date:	2020-04-14T00:00:00
db:	NVD	id:	CVE-2020-1637	date:	2021-11-28T23:37:30.093

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2020-33672	date:	2020-06-19T00:00:00
db:	VULHUB	id:	VHN-169441	date:	2020-04-08T00:00:00
db:	JVNDB	id:	JVNDB-2020-003943	date:	2020-04-30T00:00:00
db:	CNNVD	id:	CNNVD-202004-528	date:	2020-04-08T00:00:00
db:	NVD	id:	CVE-2020-1637	date:	2020-04-08T20:15:14.387