Details of VAR-202104-0544

ID

VAR-202104-0544

CVE

CVE-2021-0261

TITLE

Juniper Networks Junos OS Security hole

Trust: 0.6

sources: CNNVD: CNNVD-202104-1019

DESCRIPTION

A vulnerability in the HTTP/HTTPS service used by J-Web, Web Authentication, Dynamic-VPN (DVPN), Firewall Authentication Pass-Through with Web-Redirect, and Captive Portal allows an unauthenticated attacker to cause an extended Denial of Service (DoS) for these services by sending a high number of specific requests. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S17 on EX Series; 12.3X48 versions prior to 12.3X48-D105 on SRX Series; 15.1 versions prior to 15.1R7-S8; 15.1X49 versions prior to 15.1X49-D230 on SRX Series; 16.1 versions prior to 16.1R7-S8; 17.4 versions prior to 17.4R2-S12, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S6; 18.3 versions prior to 18.3R2-S4, 18.3R3-S3; 18.4 versions prior to 18.4R2-S5, 18.4R3-S4; 19.1 versions prior to 19.1R2-S2, 19.1R3-S2; 19.2 versions prior to 19.2R1-S5, 19.2R3; 19.3 versions prior to 19.3R2-S4, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2-S2, 19.4R3; 20.1 versions prior to 20.1R1-S3, 20.1R2; 20.2 versions prior to 20.2R1-S1, 20.2R2. Juniper Networks Junos OS is a set of network operating system of Juniper Networks (Juniper Networks) dedicated to the company's hardware equipment. The operating system provides a secure programming interface and Junos SDK. There is a security vulnerability in Junos OS, and there is no relevant information about this vulnerability at present, please pay attention to CNNVD or manufacturer announcements at any time

Trust: 1.08

sources: NVD: CVE-2021-0261 // VULHUB: VHN-372163 // VULMON: CVE-2021-0261

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:	15.1	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:	20.1	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	20.2	Trust: 1.0
vendor:	juniper	model:	junos	scope:	eq	version:	16.1	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-2021-0261

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-0261
value:	MEDIUM
Trust: 1.0
sirt@juniper.net:	CVE-2021-0261
value:	HIGH
Trust: 1.0
CNNVD:	CNNVD-202104-1019
value:	HIGH
Trust: 0.6
VULHUB:	VHN-372163
value:	MEDIUM
Trust: 0.1
VULMON:	CVE-2021-0261
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-0261
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.1
VULHUB:	VHN-372163
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

sirt@juniper.net:	CVE-2021-0261
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.1
Trust: 1.0

sources: VULHUB: VHN-372163 // VULMON: CVE-2021-0261 // CNNVD: CNNVD-202104-1019 // NVD: CVE-2021-0261 // NVD: CVE-2021-0261

PROBLEMTYPE DATA

problemtype:	CWE-770	Trust: 1.0
problemtype:	NVD-CWE-noinfo	Trust: 1.0
problemtype:	CWE-125	Trust: 1.0

sources: NVD: CVE-2021-0261

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202104-1019

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202104-1019

PATCH

title:	Juniper Networks Junos OS Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=148043	Trust: 0.6
title:	CVE-2021-0261	url:	https://github.com/GoogleProjectZer0/CVE-2021-0261	Trust: 0.1

sources: VULMON: CVE-2021-0261 // CNNVD: CNNVD-202104-1019

EXTERNAL IDS

db:	NVD	id:	CVE-2021-0261	Trust: 1.8
db:	JUNIPER	id:	JSA11152	Trust: 1.8
db:	CNNVD	id:	CNNVD-202104-1019	Trust: 0.6
db:	VULHUB	id:	VHN-372163	Trust: 0.1
db:	VULMON	id:	CVE-2021-0261	Trust: 0.1

sources: VULHUB: VHN-372163 // VULMON: CVE-2021-0261 // CNNVD: CNNVD-202104-1019 // NVD: CVE-2021-0261

REFERENCES

url:	https://kb.juniper.net/jsa11152	Trust: 1.8
url:	https://vigilance.fr/vulnerability/junos-os-multiple-vulnerabilities-35081	Trust: 0.6
url:	https://nvd.nist.gov/vuln/detail/cve-2021-0261	Trust: 0.6
url:	https://cwe.mitre.org/data/definitions/.html	Trust: 0.1
url:	https://github.com/googleprojectzer0/cve-2021-0261	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: VULHUB: VHN-372163 // VULMON: CVE-2021-0261 // CNNVD: CNNVD-202104-1019 // NVD: CVE-2021-0261

SOURCES

db:	VULHUB	id:	VHN-372163
db:	VULMON	id:	CVE-2021-0261
db:	CNNVD	id:	CNNVD-202104-1019
db:	NVD	id:	CVE-2021-0261

LAST UPDATE DATE

2024-08-14T13:54:06.258000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-372163	date:	2021-05-04T00:00:00
db:	VULMON	id:	CVE-2021-0261	date:	2021-05-04T00:00:00
db:	CNNVD	id:	CNNVD-202104-1019	date:	2021-05-06T00:00:00
db:	NVD	id:	CVE-2021-0261	date:	2021-05-04T21:56:04.753

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-372163	date:	2021-04-22T00:00:00
db:	VULMON	id:	CVE-2021-0261	date:	2021-04-22T00:00:00
db:	CNNVD	id:	CNNVD-202104-1019	date:	2021-04-14T00:00:00
db:	NVD	id:	CVE-2021-0261	date:	2021-04-22T20:15:09.703