ID

VAR-202010-0721


CVE

CVE-2020-1687


TITLE

Juniper Networks Junos OS  Resource Depletion Vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2020-012137

DESCRIPTION

On Juniper Networks EX4300-MP Series, EX4600 Series and QFX5K Series deployed in (Ethernet VPN) EVPN-(Virtual Extensible LAN) VXLAN configuration, receipt of a stream of specific VXLAN encapsulated layer 2 frames can cause high CPU load, which could lead to network protocol operation issue and traffic interruption. This issue affects devices that are configured as a Layer 2 or Layer 3 gateway of an EVPN-VXLAN deployment. The offending layer 2 frames that cause the issue originate from a different access switch that get encapsulated within the same EVPN-VXLAN domain. This issue affects Juniper Networks Junos OS on EX4300-MP Series, EX4600 Series and QFX5K Series: 17.3 versions prior to 17.3R3-S9; 17.4 versions prior to 17.4R2-S11, 17.4R3-S2, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S5; 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, 19.2R2-S1, 19.2R3; 19.3 versions prior to 19.3R2-S4, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2-S1, 19.4R3; 20.1 versions prior to 20.1R1-S3, 20.1R2. Juniper Networks Junos OS Is vulnerable to a resource exhaustion.Denial of service (DoS) It may be put into a state. This product provides an exclusive electrical signal path for any two network nodes connected to the switch. A security vulnerability exists in Junos OS EX/QFX that could be exploited by an attacker to trigger a fatal error via EVPN-VXLAN to trigger a denial of service

Trust: 1.8

sources: NVD: CVE-2020-1687 // JVNDB: JVNDB-2020-012137 // VULHUB: VHN-169991 // VULMON: CVE-2020-1687

AFFECTED PRODUCTS

vendor:junipermodel:junosscope:eqversion:17.3

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vendor:junipermodel:junosscope:eqversion:18.1

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vendor:junipermodel:junosscope:eqversion:17.4

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vendor:junipermodel:junosscope:eqversion:18.2

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vendor:junipermodel:junosscope:eqversion:20.1

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vendor:junipermodel:junosscope:eqversion:19.4

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vendor:junipermodel:junosscope:eqversion:19.1

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vendor:junipermodel:junosscope:eqversion:18.4

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vendor:junipermodel:junosscope:eqversion:19.2

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vendor:junipermodel:junosscope:eqversion:19.3

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vendor:junipermodel:junosscope:eqversion:18.3

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vendor:ジュニパーネットワークスmodel:junos osscope:eqversion: -

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vendor:ジュニパーネットワークスmodel:junos osscope: - version: -

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sources: JVNDB: JVNDB-2020-012137 // NVD: CVE-2020-1687

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-1687
value: LOW

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sirt@juniper.net: CVE-2020-1687
value: MEDIUM

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NVD: CVE-2020-1687
value: MEDIUM

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CNNVD: CNNVD-202010-689
value: MEDIUM

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VULHUB: VHN-169991
value: LOW

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VULMON: CVE-2020-1687
value: LOW

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nvd@nist.gov: CVE-2020-1687
severity: LOW
baseScore: 2.9
vectorString: AV:A/AC:M/AU:N/C:N/I:N/A:P
accessVector: ADJACENT_NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 5.5
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

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VULHUB: VHN-169991
severity: LOW
baseScore: 2.9
vectorString: AV:A/AC:M/AU:N/C:N/I:N/A:P
accessVector: ADJACENT_NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 5.5
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

sirt@juniper.net: CVE-2020-1687
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

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OTHER: JVNDB-2020-012137
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: ADJACENT NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-169991 // VULMON: CVE-2020-1687 // JVNDB: JVNDB-2020-012137 // CNNVD: CNNVD-202010-689 // NVD: CVE-2020-1687 // NVD: CVE-2020-1687

PROBLEMTYPE DATA

problemtype:CWE-400

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problemtype:NVD-CWE-noinfo

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problemtype:Resource exhaustion (CWE-400) [NVD Evaluation ]

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sources: VULHUB: VHN-169991 // JVNDB: JVNDB-2020-012137 // NVD: CVE-2020-1687

THREAT TYPE

remote or local

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sources: CNNVD: CNNVD-202010-689

TYPE

resource management error

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sources: CNNVD: CNNVD-202010-689

PATCH

title:JSA11084url:https://kb.juniper.net/JSA11084

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title:Juniper Networks Junos OS EX/QFX Remediation of resource management error vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=131311

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sources: JVNDB: JVNDB-2020-012137 // CNNVD: CNNVD-202010-689

EXTERNAL IDS

db:NVDid:CVE-2020-1687

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db:JUNIPERid:JSA11084

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db:JVNDBid:JVNDB-2020-012137

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db:CNNVDid:CNNVD-202010-689

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db:VULHUBid:VHN-169991

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db:VULMONid:CVE-2020-1687

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sources: VULHUB: VHN-169991 // VULMON: CVE-2020-1687 // JVNDB: JVNDB-2020-012137 // CNNVD: CNNVD-202010-689 // NVD: CVE-2020-1687

REFERENCES

url:https://kb.juniper.net/jsa11084

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url:https://nvd.nist.gov/vuln/detail/cve-2020-1687

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url:https://vigilance.fr/vulnerability/junos-os-ex-qfx-denial-of-service-via-evpn-vxlan-33601

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url:https://vigilance.fr/vulnerability/junos-os-ex-qfx-overload-via-evpn-vxlan-33725

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url:https://cwe.mitre.org/data/definitions/400.html

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url:https://nvd.nist.gov

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url:https://exchange.xforce.ibmcloud.com/vulnerabilities/189884

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sources: VULHUB: VHN-169991 // VULMON: CVE-2020-1687 // JVNDB: JVNDB-2020-012137 // CNNVD: CNNVD-202010-689 // NVD: CVE-2020-1687

SOURCES

db:VULHUBid:VHN-169991
db:VULMONid:CVE-2020-1687
db:JVNDBid:JVNDB-2020-012137
db:CNNVDid:CNNVD-202010-689
db:NVDid:CVE-2020-1687

LAST UPDATE DATE

2024-08-14T14:44:39.128000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-169991date:2022-01-01T00:00:00
db:VULMONid:CVE-2020-1687date:2020-10-28T00:00:00
db:JVNDBid:JVNDB-2020-012137date:2021-04-26T07:28:00
db:CNNVDid:CNNVD-202010-689date:2022-01-04T00:00:00
db:NVDid:CVE-2020-1687date:2022-01-01T17:36:58.587

SOURCES RELEASE DATE

db:VULHUBid:VHN-169991date:2020-10-16T00:00:00
db:VULMONid:CVE-2020-1687date:2020-10-16T00:00:00
db:JVNDBid:JVNDB-2020-012137date:2021-04-26T00:00:00
db:CNNVDid:CNNVD-202010-689date:2020-10-15T00:00:00
db:NVDid:CVE-2020-1687date:2020-10-16T21:15:14.333