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ID

VAR-202104-0545


CVE

CVE-2021-0262


TITLE

Juniper Networks Junos OS Resource Management Error Vulnerability

Trust: 0.6

sources: CNNVD: CNNVD-202104-1022

DESCRIPTION

Through routine static code analysis of the Juniper Networks Junos OS software codebase, the Secure Development Life Cycle team identified a Use After Free vulnerability in PFE packet processing on the QFX10002-60C switching platform. Exploitation of this vulnerability may allow a logically adjacent attacker to trigger a Denial of Service (DoS). Continued exploitation of this vulnerability will sustain the Denial of Service (DoS) condition. This issue only affects QFX10002-60C devices. No other product or platform is vulnerable to this issue. This issue affects Juniper Networks Junos OS on QFX10002-60C: 19.1 version 19.1R3-S1 and later versions; 19.1 versions prior to 19.1R3-S3; 19.2 version 19.2R2 and later versions; 19.2 versions prior to 19.2R3-S1; 20.2 versions prior to 20.2R1-S2. This issue does not affect Juniper Networks Junos OS: versions prior to 19.1R3; 19.2 versions prior to 19.2R2; any version of 19.3; version 20.2R2 and later releases. 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-2021-0262 // VULHUB: VHN-372164 // VULMON: CVE-2021-0262

AFFECTED PRODUCTS

vendor:junipermodel:junosscope:eqversion:20.2

Trust: 1.0

vendor:junipermodel:junosscope:eqversion:19.2

Trust: 1.0

vendor:junipermodel:junosscope:eqversion:19.1

Trust: 1.0

sources: NVD: CVE-2021-0262

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-0262
value: LOW

Trust: 1.0

sirt@juniper.net: CVE-2021-0262
value: MEDIUM

Trust: 1.0

CNNVD: CNNVD-202104-1022
value: MEDIUM

Trust: 0.6

VULHUB: VHN-372164
value: LOW

Trust: 0.1

VULMON: CVE-2021-0262
value: LOW

Trust: 0.1

nvd@nist.gov: CVE-2021-0262
severity: LOW
baseScore: 3.3
vectorString: AV:A/AC:L/AU:N/C:N/I:N/A:P
accessVector: ADJACENT_NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 6.5
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.1

VULHUB: VHN-372164
severity: LOW
baseScore: 3.3
vectorString: AV:A/AC:L/AU:N/C:N/I:N/A:P
accessVector: ADJACENT_NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 6.5
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

sirt@juniper.net: CVE-2021-0262
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 3.6
version: 3.1

Trust: 1.0

sources: VULHUB: VHN-372164 // VULMON: CVE-2021-0262 // CNNVD: CNNVD-202104-1022 // NVD: CVE-2021-0262 // NVD: CVE-2021-0262

PROBLEMTYPE DATA

problemtype:CWE-416

Trust: 1.1

sources: VULHUB: VHN-372164 // NVD: CVE-2021-0262

THREAT TYPE

remote or local

Trust: 0.6

sources: CNNVD: CNNVD-202104-1022

TYPE

resource management error

Trust: 0.6

sources: CNNVD: CNNVD-202104-1022

PATCH

title:Juniper Networks Junos OS Remediation of resource management error vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=148272

Trust: 0.6

title:CVE-2021-0262url:https://github.com/GoogleProjectZer0/CVE-2021-0262

Trust: 0.1

sources: VULMON: CVE-2021-0262 // CNNVD: CNNVD-202104-1022

EXTERNAL IDS

db:NVDid:CVE-2021-0262

Trust: 1.8

db:JUNIPERid:JSA11153

Trust: 1.8

db:CNNVDid:CNNVD-202104-1022

Trust: 0.6

db:VULHUBid:VHN-372164

Trust: 0.1

db:VULMONid:CVE-2021-0262

Trust: 0.1

sources: VULHUB: VHN-372164 // VULMON: CVE-2021-0262 // CNNVD: CNNVD-202104-1022 // NVD: CVE-2021-0262

REFERENCES

url:https://kb.juniper.net/jsa11153

Trust: 1.8

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

Trust: 0.6

url:https://nvd.nist.gov/vuln/detail/cve-2021-0262

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/416.html

Trust: 0.1

url:https://github.com/googleprojectzer0/cve-2021-0262

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: VULHUB: VHN-372164 // VULMON: CVE-2021-0262 // CNNVD: CNNVD-202104-1022 // NVD: CVE-2021-0262

SOURCES

db:VULHUBid:VHN-372164
db:VULMONid:CVE-2021-0262
db:CNNVDid:CNNVD-202104-1022
db:NVDid:CVE-2021-0262

LAST UPDATE DATE

2024-08-14T14:11:24.649000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-372164date:2021-05-04T00:00:00
db:VULMONid:CVE-2021-0262date:2021-05-04T00:00:00
db:CNNVDid:CNNVD-202104-1022date:2021-05-06T00:00:00
db:NVDid:CVE-2021-0262date:2021-05-04T21:21:28.367

SOURCES RELEASE DATE

db:VULHUBid:VHN-372164date:2021-04-22T00:00:00
db:VULMONid:CVE-2021-0262date:2021-04-22T00:00:00
db:CNNVDid:CNNVD-202104-1022date:2021-04-14T00:00:00
db:NVDid:CVE-2021-0262date:2021-04-22T20:15:09.737