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ID

VAR-202104-0557


CVE

CVE-2021-0226


TITLE

Juniper Networks Junos OS Security hole

Trust: 0.6

sources: CNNVD: CNNVD-202104-1117

DESCRIPTION

On Juniper Networks Junos OS Evolved devices, receipt of a specific IPv6 packet may cause an established IPv6 BGP session to terminate, creating a Denial of Service (DoS) condition. Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue does not affect IPv4 BGP sessions. This issue affects IBGP or EBGP peer sessions with IPv6. This issue affects: Juniper Networks Junos OS Evolved: 19.4 versions prior to 19.4R2-S3-EVO; 20.1 versions prior to 20.1R2-S3-EVO; 20.2 versions prior to 20.2R2-S1-EVO; 20.3 versions prior to 20.3R2-EVO. This issue does not affect Juniper Networks Junos OS releases. 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-2021-0226 // VULHUB: VHN-372128 // VULMON: CVE-2021-0226

AFFECTED PRODUCTS

vendor:junipermodel:junos os evolvedscope:eqversion:20.3

Trust: 1.0

vendor:junipermodel:junos os evolvedscope:eqversion:20.2

Trust: 1.0

vendor:junipermodel:junos os evolvedscope:eqversion:20.1

Trust: 1.0

sources: NVD: CVE-2021-0226

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-0226
value: HIGH

Trust: 1.0

sirt@juniper.net: CVE-2021-0226
value: HIGH

Trust: 1.0

CNNVD: CNNVD-202104-1117
value: HIGH

Trust: 0.6

VULHUB: VHN-372128
value: MEDIUM

Trust: 0.1

VULMON: CVE-2021-0226
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-0226
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-372128
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

nvd@nist.gov: CVE-2021-0226
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

sirt@juniper.net: CVE-2021-0226
baseSeverity: HIGH
baseScore: 7.1
vectorString: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: LOW
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 4.2
version: 3.1

Trust: 1.0

sources: VULHUB: VHN-372128 // VULMON: CVE-2021-0226 // CNNVD: CNNVD-202104-1117 // NVD: CVE-2021-0226 // NVD: CVE-2021-0226

PROBLEMTYPE DATA

problemtype:CWE-665

Trust: 1.1

sources: VULHUB: VHN-372128 // NVD: CVE-2021-0226

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202104-1117

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202104-1117

PATCH

title:Juniper Networks Junos OS Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=148299

Trust: 0.6

sources: CNNVD: CNNVD-202104-1117

EXTERNAL IDS

db:NVDid:CVE-2021-0226

Trust: 1.8

db:JUNIPERid:JSA11121

Trust: 1.8

db:AUSCERTid:ESB-2021.1261

Trust: 0.6

db:CNNVDid:CNNVD-202104-1117

Trust: 0.6

db:VULHUBid:VHN-372128

Trust: 0.1

db:VULMONid:CVE-2021-0226

Trust: 0.1

sources: VULHUB: VHN-372128 // VULMON: CVE-2021-0226 // CNNVD: CNNVD-202104-1117 // NVD: CVE-2021-0226

REFERENCES

url:https://kb.juniper.net/jsa11121

Trust: 1.8

url:https://vigilance.fr/vulnerability/junos-os-multiple-vulnerabilities-35081

Trust: 0.6

url:https://www.auscert.org.au/bulletins/esb-2021.1261

Trust: 0.6

url:https://nvd.nist.gov/vuln/detail/cve-2021-0226

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/665.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: VULHUB: VHN-372128 // VULMON: CVE-2021-0226 // CNNVD: CNNVD-202104-1117 // NVD: CVE-2021-0226

SOURCES

db:VULHUBid:VHN-372128
db:VULMONid:CVE-2021-0226
db:CNNVDid:CNNVD-202104-1117
db:NVDid:CVE-2021-0226

LAST UPDATE DATE

2024-08-14T15:06:50.784000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-372128date:2021-10-07T00:00:00
db:VULMONid:CVE-2021-0226date:2021-04-27T00:00:00
db:CNNVDid:CNNVD-202104-1117date:2021-04-28T00:00:00
db:NVDid:CVE-2021-0226date:2021-10-07T17:12:04.003

SOURCES RELEASE DATE

db:VULHUBid:VHN-372128date:2021-04-22T00:00:00
db:VULMONid:CVE-2021-0226date:2021-04-22T00:00:00
db:CNNVDid:CNNVD-202104-1117date:2021-04-14T00:00:00
db:NVDid:CVE-2021-0226date:2021-04-22T20:15:08.497