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ID

VAR-202104-0539


CVE

CVE-2021-0250


TITLE

Juniper Networks Junos OS Security hole

Trust: 0.6

sources: CNNVD: CNNVD-202104-1029

DESCRIPTION

In segment routing traffic engineering (SRTE) environments where the BGP Monitoring Protocol (BMP) feature is enable, a vulnerability in the Routing Protocol Daemon (RPD) process of Juniper Networks Junos OS allows an attacker to send a specific crafted BGP update message causing the RPD service to core, creating a Denial of Service (DoS) Condition. Continued receipt and processing of this update message will create a sustained Denial of Service (DoS) condition. This issue affects IPv4 and IPv6 environments. This issue affects: Juniper Networks Junos OS 17.4 versions 17.4R1 and above prior to 17.4R2-S6, 17.4R3; 18.1 versions prior to 18.1R3-S7; 18.2 versions prior to 18.2R2-S6, 18.2R3-S3; 18.3 versions prior to 18.3R1-S7, 18.3R2-S3, 18.3R3; 18.4 versions prior to 18.4R1-S5, 18.4R2-S3, 18.4R3; 19.1 versions prior to 19.1R1-S4, 19.1R2; 19.2 versions prior to 19.2R1-S3, 19.2R2, This issue does not affect Junos OS releases prior to 17.4R1. This issue affects: Juniper Networks Junos OS Evolved 19.2-EVO versions prior to 19.2R2-EVO. 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-2021-0250 // VULHUB: VHN-372152 // VULMON: CVE-2021-0250

AFFECTED PRODUCTS

vendor:junipermodel:junosscope:eqversion:18.4

Trust: 1.0

vendor:junipermodel:junos os evolvedscope:eqversion:19.2

Trust: 1.0

vendor:junipermodel:junosscope:eqversion:19.1

Trust: 1.0

vendor:junipermodel:junosscope:eqversion:19.2

Trust: 1.0

vendor:junipermodel:junosscope:eqversion:17.4

Trust: 1.0

vendor:junipermodel:junosscope:eqversion:18.2

Trust: 1.0

vendor:junipermodel:junosscope:eqversion:18.1

Trust: 1.0

vendor:junipermodel:junosscope:eqversion:18.3

Trust: 1.0

sources: NVD: CVE-2021-0250

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-0250
value: MEDIUM

Trust: 1.0

sirt@juniper.net: CVE-2021-0250
value: HIGH

Trust: 1.0

CNNVD: CNNVD-202104-1029
value: HIGH

Trust: 0.6

VULHUB: VHN-372152
value: MEDIUM

Trust: 0.1

VULMON: CVE-2021-0250
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-0250
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-372152
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-2021-0250
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-372152 // VULMON: CVE-2021-0250 // CNNVD: CNNVD-202104-1029 // NVD: CVE-2021-0250 // NVD: CVE-2021-0250

PROBLEMTYPE DATA

problemtype:NVD-CWE-noinfo

Trust: 1.0

sources: NVD: CVE-2021-0250

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202104-1029

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202104-1029

PATCH

title:Juniper Networks Junos OS Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=148278

Trust: 0.6

sources: CNNVD: CNNVD-202104-1029

EXTERNAL IDS

db:NVDid:CVE-2021-0250

Trust: 1.8

db:JUNIPERid:JSA11143

Trust: 1.8

db:CNNVDid:CNNVD-202104-1029

Trust: 0.6

db:VULHUBid:VHN-372152

Trust: 0.1

db:VULMONid:CVE-2021-0250

Trust: 0.1

sources: VULHUB: VHN-372152 // VULMON: CVE-2021-0250 // CNNVD: CNNVD-202104-1029 // NVD: CVE-2021-0250

REFERENCES

url:https://kb.juniper.net/jsa11143

Trust: 1.8

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

Trust: 0.6

url:https://nvd.nist.gov/vuln/detail/cve-2021-0250

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-372152 // VULMON: CVE-2021-0250 // CNNVD: CNNVD-202104-1029 // NVD: CVE-2021-0250

SOURCES

db:VULHUBid:VHN-372152
db:VULMONid:CVE-2021-0250
db:CNNVDid:CNNVD-202104-1029
db:NVDid:CVE-2021-0250

LAST UPDATE DATE

2024-11-23T21:58:42.078000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-372152date:2021-04-27T00:00:00
db:VULMONid:CVE-2021-0250date:2021-04-27T00:00:00
db:CNNVDid:CNNVD-202104-1029date:2021-04-28T00:00:00
db:NVDid:CVE-2021-0250date:2024-11-21T05:42:18.927

SOURCES RELEASE DATE

db:VULHUBid:VHN-372152date:2021-04-22T00:00:00
db:VULMONid:CVE-2021-0250date:2021-04-22T00:00:00
db:CNNVDid:CNNVD-202104-1029date:2021-04-14T00:00:00
db:NVDid:CVE-2021-0250date:2021-04-22T20:15:09.327