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ID

VAR-202202-1481


CVE

CVE-2020-22844


TITLE

Mikrotik RouterOS Security hole

Trust: 0.6

sources: CNNVD: CNNVD-202202-2164

DESCRIPTION

A buffer overflow in Mikrotik RouterOS 6.47 allows unauthenticated attackers to cause a denial of service (DOS) via crafted SMB requests

Trust: 0.99

sources: NVD: CVE-2020-22844 // VULHUB: VHN-176563

AFFECTED PRODUCTS

vendor:mikrotikmodel:routerosscope:eqversion:6.47

Trust: 1.0

sources: NVD: CVE-2020-22844

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-22844
value: HIGH

Trust: 1.0

CNNVD: CNNVD-202202-2164
value: HIGH

Trust: 0.6

VULHUB: VHN-176563
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2020-22844
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

VULHUB: VHN-176563
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2020-22844
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.1

Trust: 1.0

sources: VULHUB: VHN-176563 // CNNVD: CNNVD-202202-2164 // NVD: CVE-2020-22844

PROBLEMTYPE DATA

problemtype:CWE-401

Trust: 1.1

problemtype:CWE-772

Trust: 0.1

sources: VULHUB: VHN-176563 // NVD: CVE-2020-22844

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202202-2164

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202202-2164

PATCH

title:Mikrotik RouterOS Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=185333

Trust: 0.6

sources: CNNVD: CNNVD-202202-2164

EXTERNAL IDS

db:NVDid:CVE-2020-22844

Trust: 1.7

db:CNNVDid:CNNVD-202202-2164

Trust: 0.6

db:VULHUBid:VHN-176563

Trust: 0.1

sources: VULHUB: VHN-176563 // CNNVD: CNNVD-202202-2164 // NVD: CVE-2020-22844

REFERENCES

url:https://github.com/colorlight/mikrotik_poc/blob/master/two_vulns.md

Trust: 1.7

url:https://mikrotik.com/support

Trust: 1.7

url:https://cxsecurity.com/cveshow/cve-2020-22844/

Trust: 0.6

sources: VULHUB: VHN-176563 // CNNVD: CNNVD-202202-2164 // NVD: CVE-2020-22844

SOURCES

db:VULHUBid:VHN-176563
db:CNNVDid:CNNVD-202202-2164
db:NVDid:CVE-2020-22844

LAST UPDATE DATE

2024-08-14T13:53:33.703000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-176563date:2022-07-12T00:00:00
db:CNNVDid:CNNVD-202202-2164date:2022-07-14T00:00:00
db:NVDid:CVE-2020-22844date:2022-07-12T17:42:04.277

SOURCES RELEASE DATE

db:VULHUBid:VHN-176563date:2022-02-28T00:00:00
db:CNNVDid:CNNVD-202202-2164date:2022-02-28T00:00:00
db:NVDid:CVE-2020-22844date:2022-02-28T19:15:08.643