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ID

VAR-202107-0084


CVE

CVE-2020-20221


TITLE

Mikrotik RouterOs  Resource exhaustion vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2020-017176

DESCRIPTION

Mikrotik RouterOs before 6.44.6 (long-term tree) suffers from an uncontrolled resource consumption vulnerability in the /nova/bin/cerm process. An authenticated remote attacker can cause a Denial of Service due to overloading the systems CPU. Mikrotik RouterOs Exists in a resource exhaustion vulnerability.Service operation interruption (DoS) It may be in a state. Re: Two vulnerabilities found in MikroTik's RouterOS

Trust: 1.8

sources: NVD: CVE-2020-20221 // JVNDB: JVNDB-2020-017176 // VULHUB: VHN-173678 // VULMON: CVE-2020-20221

AFFECTED PRODUCTS

vendor:mikrotikmodel:routerosscope:ltversion:6.44.6

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vendor:mikrotikmodel:routerosscope:eqversion:6.44.6

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vendor:mikrotikmodel:routerosscope:eqversion: -

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sources: JVNDB: JVNDB-2020-017176 // NVD: CVE-2020-20221

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-20221
value: MEDIUM

Trust: 1.0

NVD: CVE-2020-20221
value: MEDIUM

Trust: 0.8

CNNVD: CNNVD-202107-1587
value: MEDIUM

Trust: 0.6

VULHUB: VHN-173678
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2020-20221
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:L/AU:S/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

VULHUB: VHN-173678
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:L/AU:S/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2020-20221
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-2020-20221
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-173678 // JVNDB: JVNDB-2020-017176 // CNNVD: CNNVD-202107-1587 // NVD: CVE-2020-20221

PROBLEMTYPE DATA

problemtype:CWE-400

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

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sources: VULHUB: VHN-173678 // JVNDB: JVNDB-2020-017176 // NVD: CVE-2020-20221

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202107-1587

TYPE

resource management error

Trust: 0.6

sources: CNNVD: CNNVD-202107-1587

PATCH

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

Trust: 0.8

sources: JVNDB: JVNDB-2020-017176

EXTERNAL IDS

db:NVDid:CVE-2020-20221

Trust: 3.4

db:JVNDBid:JVNDB-2020-017176

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db:CNNVDid:CNNVD-202107-1587

Trust: 0.6

db:VULHUBid:VHN-173678

Trust: 0.1

db:VULMONid:CVE-2020-20221

Trust: 0.1

sources: VULHUB: VHN-173678 // VULMON: CVE-2020-20221 // JVNDB: JVNDB-2020-017176 // CNNVD: CNNVD-202107-1587 // NVD: CVE-2020-20221

REFERENCES

url:https://seclists.org/fulldisclosure/2021/may/1

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

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url:https://seclists.org/fulldisclosure/2020/may/30

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2020-20221

Trust: 1.4

sources: VULHUB: VHN-173678 // VULMON: CVE-2020-20221 // JVNDB: JVNDB-2020-017176 // CNNVD: CNNVD-202107-1587 // NVD: CVE-2020-20221

SOURCES

db:VULHUBid:VHN-173678
db:VULMONid:CVE-2020-20221
db:JVNDBid:JVNDB-2020-017176
db:CNNVDid:CNNVD-202107-1587
db:NVDid:CVE-2020-20221

LAST UPDATE DATE

2024-08-14T14:03:08.187000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-173678date:2022-10-26T00:00:00
db:JVNDBid:JVNDB-2020-017176date:2022-06-27T00:53:00
db:CNNVDid:CNNVD-202107-1587date:2022-07-11T00:00:00
db:NVDid:CVE-2020-20221date:2022-10-26T18:56:07.393

SOURCES RELEASE DATE

db:VULHUBid:VHN-173678date:2021-07-21T00:00:00
db:JVNDBid:JVNDB-2020-017176date:2022-06-27T00:00:00
db:CNNVDid:CNNVD-202107-1587date:2021-07-21T00:00:00
db:NVDid:CVE-2020-20221date:2021-07-21T15:15:12.777