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ID

VAR-202107-0082


CVE

CVE-2020-20217


TITLE

MikroTik RouterOS Resource Management Error Vulnerability

Trust: 0.6

sources: CNNVD: CNNVD-202107-425

DESCRIPTION

Mikrotik RouterOs before 6.47 (stable tree) suffers from an uncontrolled resource consumption vulnerability in the /nova/bin/route process. An authenticated remote attacker can cause a Denial of Service due to overloading the systems CPU. 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: 1.08

sources: NVD: CVE-2020-20217 // VULHUB: VHN-173673 // VULMON: CVE-2020-20217

AFFECTED PRODUCTS

vendor:mikrotikmodel:routerosscope:ltversion:6.47

Trust: 1.0

sources: NVD: CVE-2020-20217

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-20217
value: MEDIUM

Trust: 1.0

CNNVD: CNNVD-202107-425
value: MEDIUM

Trust: 0.6

VULHUB: VHN-173673
value: MEDIUM

Trust: 0.1

VULMON: CVE-2020-20217
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2020-20217
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: 1.1

VULHUB: VHN-173673
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-2020-20217
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

sources: VULHUB: VHN-173673 // VULMON: CVE-2020-20217 // CNNVD: CNNVD-202107-425 // NVD: CVE-2020-20217

PROBLEMTYPE DATA

problemtype:CWE-400

Trust: 1.1

sources: VULHUB: VHN-173673 // NVD: CVE-2020-20217

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202107-425

TYPE

resource management error

Trust: 0.6

sources: CNNVD: CNNVD-202107-425

EXTERNAL IDS

db:NVDid:CVE-2020-20217

Trust: 1.8

db:CNNVDid:CNNVD-202107-425

Trust: 0.6

db:CNVDid:CNVD-2021-51430

Trust: 0.1

db:VULHUBid:VHN-173673

Trust: 0.1

db:VULMONid:CVE-2020-20217

Trust: 0.1

sources: VULHUB: VHN-173673 // VULMON: CVE-2020-20217 // CNNVD: CNNVD-202107-425 // NVD: CVE-2020-20217

REFERENCES

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

Trust: 1.8

url:https://github.com/cq674350529/pocs_slides/blob/master/advisory/mikrotik/cve-2020-20217/readme.md

Trust: 1.8

url:https://mikrotik.com/

Trust: 1.8

url:https://nvd.nist.gov

Trust: 0.1

sources: VULHUB: VHN-173673 // VULMON: CVE-2020-20217 // CNNVD: CNNVD-202107-425 // NVD: CVE-2020-20217

SOURCES

db:VULHUBid:VHN-173673
db:VULMONid:CVE-2020-20217
db:CNNVDid:CNNVD-202107-425
db:NVDid:CVE-2020-20217

LAST UPDATE DATE

2024-08-14T14:55:55.307000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-173673date:2022-11-07T00:00:00
db:VULMONid:CVE-2020-20217date:2021-07-12T00:00:00
db:CNNVDid:CNNVD-202107-425date:2022-07-11T00:00:00
db:NVDid:CVE-2020-20217date:2022-11-07T14:10:51.637

SOURCES RELEASE DATE

db:VULHUBid:VHN-173673date:2021-07-08T00:00:00
db:VULMONid:CVE-2020-20217date:2021-07-08T00:00:00
db:CNNVDid:CNNVD-202107-425date:2021-07-08T00:00:00
db:NVDid:CVE-2020-20217date:2021-07-08T12:15:09.810