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ID

VAR-202107-0088


CVE

CVE-2020-20248


TITLE

Mikrotik RouterOs  Resource Depletion Vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-009664

DESCRIPTION

Mikrotik RouterOs before stable 6.47 suffers from an uncontrolled resource consumption in the memtest 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. There is a security vulnerability in Mikrotik RouterOs 6.47 and earlier versions

Trust: 1.8

sources: NVD: CVE-2020-20248 // JVNDB: JVNDB-2021-009664 // VULHUB: VHN-173707 // VULMON: CVE-2020-20248

AFFECTED PRODUCTS

vendor:mikrotikmodel:routerosscope:eqversion:6.47

Trust: 1.8

vendor:mikrotikmodel:routerosscope:eqversion: -

Trust: 0.8

sources: JVNDB: JVNDB-2021-009664 // NVD: CVE-2020-20248

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-20248
value: MEDIUM

Trust: 1.0

NVD: CVE-2020-20248
value: MEDIUM

Trust: 0.8

CNNVD: CNNVD-202107-1300
value: MEDIUM

Trust: 0.6

VULHUB: VHN-173707
value: MEDIUM

Trust: 0.1

VULMON: CVE-2020-20248
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2020-20248
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-173707
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-2020-20248
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-2020-20248
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-173707 // VULMON: CVE-2020-20248 // JVNDB: JVNDB-2021-009664 // CNNVD: CNNVD-202107-1300 // NVD: CVE-2020-20248

PROBLEMTYPE DATA

problemtype:CWE-400

Trust: 1.1

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

Trust: 0.8

sources: VULHUB: VHN-173707 // JVNDB: JVNDB-2021-009664 // NVD: CVE-2020-20248

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202107-1300

TYPE

resource management error

Trust: 0.6

sources: CNNVD: CNNVD-202107-1300

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=157824

Trust: 0.6

sources: JVNDB: JVNDB-2021-009664 // CNNVD: CNNVD-202107-1300

EXTERNAL IDS

db:NVDid:CVE-2020-20248

Trust: 3.4

db:JVNDBid:JVNDB-2021-009664

Trust: 0.8

db:CNNVDid:CNNVD-202107-1300

Trust: 0.7

db:VULHUBid:VHN-173707

Trust: 0.1

db:VULMONid:CVE-2020-20248

Trust: 0.1

sources: VULHUB: VHN-173707 // VULMON: CVE-2020-20248 // JVNDB: JVNDB-2021-009664 // CNNVD: CNNVD-202107-1300 // NVD: CVE-2020-20248

REFERENCES

url:https://github.com/cq674350529/pocs_slides/blob/master/advisory/mikrotik/cve-2020-20248/readme.md

Trust: 2.6

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

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2020-20248

Trust: 0.8

url:https://nvd.nist.gov

Trust: 0.1

sources: VULHUB: VHN-173707 // VULMON: CVE-2020-20248 // JVNDB: JVNDB-2021-009664 // CNNVD: CNNVD-202107-1300 // NVD: CVE-2020-20248

SOURCES

db:VULHUBid:VHN-173707
db:VULMONid:CVE-2020-20248
db:JVNDBid:JVNDB-2021-009664
db:CNNVDid:CNNVD-202107-1300
db:NVDid:CVE-2020-20248

LAST UPDATE DATE

2024-08-14T15:38:00.964000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-173707date:2022-11-07T00:00:00
db:VULMONid:CVE-2020-20248date:2021-07-23T00:00:00
db:JVNDBid:JVNDB-2021-009664date:2022-05-17T02:23:00
db:CNNVDid:CNNVD-202107-1300date:2022-07-11T00:00:00
db:NVDid:CVE-2020-20248date:2022-11-07T13:56:49.153

SOURCES RELEASE DATE

db:VULHUBid:VHN-173707date:2021-07-19T00:00:00
db:VULMONid:CVE-2020-20248date:2021-07-19T00:00:00
db:JVNDBid:JVNDB-2021-009664date:2022-05-17T00:00:00
db:CNNVDid:CNNVD-202107-1300date:2021-07-19T00:00:00
db:NVDid:CVE-2020-20248date:2021-07-19T18:15:08.143