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ID

VAR-202107-0086


CVE

CVE-2020-20230


TITLE

Mikrotik RouterOs  Resource Depletion Vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-009663

DESCRIPTION

Mikrotik RouterOs before stable 6.47 suffers from an uncontrolled resource consumption in the sshd process. An authenticated remote attacker can cause a Denial of Service due to overloading the systems CPU. Mikrotik RouterOs Is vulnerable to a resource exhaustion.Denial of service (DoS) It may be put into a state. MikroTik RouterOS is a Linux-based router operating system developed by Latvian MikroTik Company. The system can be deployed in a PC so that it provides router functionality

Trust: 1.8

sources: NVD: CVE-2020-20230 // JVNDB: JVNDB-2021-009663 // VULHUB: VHN-173688 // VULMON: CVE-2020-20230

AFFECTED PRODUCTS

vendor:mikrotikmodel:routerosscope:ltversion:6.47

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vendor:mikrotikmodel:routerosscope:eqversion: -

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vendor:mikrotikmodel:routerosscope:eqversion:6.47

Trust: 0.8

sources: JVNDB: JVNDB-2021-009663 // NVD: CVE-2020-20230

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-20230
value: MEDIUM

Trust: 1.0

NVD: CVE-2020-20230
value: MEDIUM

Trust: 0.8

CNNVD: CNNVD-202107-1285
value: MEDIUM

Trust: 0.6

VULHUB: VHN-173688
value: MEDIUM

Trust: 0.1

VULMON: CVE-2020-20230
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2020-20230
severity: MEDIUM
baseScore: 4.0
vectorString: AV:N/AC:L/AU:S/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 8.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

VULHUB: VHN-173688
severity: MEDIUM
baseScore: 4.0
vectorString: AV:N/AC:L/AU:S/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 8.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2020-20230
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 3.6
version: 3.1

Trust: 1.0

NVD: CVE-2020-20230
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-173688 // VULMON: CVE-2020-20230 // JVNDB: JVNDB-2021-009663 // CNNVD: CNNVD-202107-1285 // NVD: CVE-2020-20230

PROBLEMTYPE DATA

problemtype:CWE-400

Trust: 1.1

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

Trust: 0.8

sources: VULHUB: VHN-173688 // JVNDB: JVNDB-2021-009663 // NVD: CVE-2020-20230

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202107-1285

TYPE

resource management error

Trust: 0.6

sources: CNNVD: CNNVD-202107-1285

PATCH

title:Top Pageurl:https://mikrotik.com/

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title:Mikrotik RouterOs Remediation of resource management error vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=157823

Trust: 0.6

sources: JVNDB: JVNDB-2021-009663 // CNNVD: CNNVD-202107-1285

EXTERNAL IDS

db:NVDid:CVE-2020-20230

Trust: 3.4

db:JVNDBid:JVNDB-2021-009663

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db:CNNVDid:CNNVD-202107-1285

Trust: 0.7

db:VULHUBid:VHN-173688

Trust: 0.1

db:VULMONid:CVE-2020-20230

Trust: 0.1

sources: VULHUB: VHN-173688 // VULMON: CVE-2020-20230 // JVNDB: JVNDB-2021-009663 // CNNVD: CNNVD-202107-1285 // NVD: CVE-2020-20230

REFERENCES

url:https://github.com/cq674350529/pocs_slides/blob/master/advisory/mikrotik/cve-2020-20230/readme.md

Trust: 2.6

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

Trust: 1.9

url:https://nvd.nist.gov/vuln/detail/cve-2020-20230

Trust: 0.8

url:https://github.com/live-hack-cve/cve-2020-20230

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: VULHUB: VHN-173688 // VULMON: CVE-2020-20230 // JVNDB: JVNDB-2021-009663 // CNNVD: CNNVD-202107-1285 // NVD: CVE-2020-20230

SOURCES

db:VULHUBid:VHN-173688
db:VULMONid:CVE-2020-20230
db:JVNDBid:JVNDB-2021-009663
db:CNNVDid:CNNVD-202107-1285
db:NVDid:CVE-2020-20230

LAST UPDATE DATE

2024-08-14T14:25:18.076000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-173688date:2022-09-08T00:00:00
db:VULMONid:CVE-2020-20230date:2022-09-08T00:00:00
db:JVNDBid:JVNDB-2021-009663date:2022-05-17T02:23:00
db:CNNVDid:CNNVD-202107-1285date:2022-07-11T00:00:00
db:NVDid:CVE-2020-20230date:2022-09-08T21:22:28.470

SOURCES RELEASE DATE

db:VULHUBid:VHN-173688date:2021-07-19T00:00:00
db:VULMONid:CVE-2020-20230date:2021-07-19T00:00:00
db:JVNDBid:JVNDB-2021-009663date:2022-05-17T00:00:00
db:CNNVDid:CNNVD-202107-1285date:2021-07-19T00:00:00
db:NVDid:CVE-2020-20230date:2021-07-19T17:15:10.943