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ID

VAR-202105-0095


CVE

CVE-2020-20264


TITLE

Mikrotik RouterOs  Vulnerability for division by zero in

Trust: 0.8

sources: JVNDB: JVNDB-2021-007316

DESCRIPTION

Mikrotik RouterOs before 6.47 (stable tree) in the /ram/pckg/advanced-tools/nova/bin/netwatch process. An authenticated remote attacker can cause a Denial of Service due to a divide by zero error. Mikrotik RouterOs Is vulnerable to division by zero.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-2020-20264 // JVNDB: JVNDB-2021-007316 // VULHUB: VHN-173725 // VULMON: CVE-2020-20264

AFFECTED PRODUCTS

vendor:mikrotikmodel:routerosscope:ltversion:6.47

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vendor:mikrotikmodel:routerosscope:eqversion:6.47 (stable tree)

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vendor:mikrotikmodel:routerosscope:eqversion: -

Trust: 0.8

sources: JVNDB: JVNDB-2021-007316 // NVD: CVE-2020-20264

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-20264
value: MEDIUM

Trust: 1.0

NVD: CVE-2020-20264
value: MEDIUM

Trust: 0.8

CNNVD: CNNVD-202105-1271
value: MEDIUM

Trust: 0.6

VULHUB: VHN-173725
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2020-20264
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: 1.8

VULHUB: VHN-173725
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-2020-20264
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-2020-20264
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-173725 // JVNDB: JVNDB-2021-007316 // CNNVD: CNNVD-202105-1271 // NVD: CVE-2020-20264

PROBLEMTYPE DATA

problemtype:CWE-369

Trust: 1.1

problemtype:Division by zero (CWE-369) [NVD Evaluation ]

Trust: 0.8

sources: VULHUB: VHN-173725 // JVNDB: JVNDB-2021-007316 // NVD: CVE-2020-20264

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202105-1271

TYPE

digital error

Trust: 0.6

sources: CNNVD: CNNVD-202105-1271

PATCH

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

Trust: 0.8

title:MikroTik RouterOS Fixes for digital error vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=152560

Trust: 0.6

sources: JVNDB: JVNDB-2021-007316 // CNNVD: CNNVD-202105-1271

EXTERNAL IDS

db:NVDid:CVE-2020-20264

Trust: 3.4

db:JVNDBid:JVNDB-2021-007316

Trust: 0.8

db:CNNVDid:CNNVD-202105-1271

Trust: 0.7

db:VULHUBid:VHN-173725

Trust: 0.1

db:VULMONid:CVE-2020-20264

Trust: 0.1

sources: VULHUB: VHN-173725 // VULMON: CVE-2020-20264 // JVNDB: JVNDB-2021-007316 // CNNVD: CNNVD-202105-1271 // NVD: CVE-2020-20264

REFERENCES

url:https://seclists.org/fulldisclosure/2021/may/11

Trust: 2.7

url:https://github.com/cq674350529/pocs_slides/blob/master/pocs/mikrotik/vul_netwatch/readme.md

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2020-20264

Trust: 0.8

url:https://nvd.nist.gov

Trust: 0.1

sources: VULHUB: VHN-173725 // VULMON: CVE-2020-20264 // JVNDB: JVNDB-2021-007316 // CNNVD: CNNVD-202105-1271 // NVD: CVE-2020-20264

SOURCES

db:VULHUBid:VHN-173725
db:VULMONid:CVE-2020-20264
db:JVNDBid:JVNDB-2021-007316
db:CNNVDid:CNNVD-202105-1271
db:NVDid:CVE-2020-20264

LAST UPDATE DATE

2024-08-14T15:06:49.960000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-173725date:2021-06-01T00:00:00
db:VULMONid:CVE-2020-20264date:2021-05-19T00:00:00
db:JVNDBid:JVNDB-2021-007316date:2022-02-07T08:45:00
db:CNNVDid:CNNVD-202105-1271date:2021-06-04T00:00:00
db:NVDid:CVE-2020-20264date:2021-06-01T12:22:39.753

SOURCES RELEASE DATE

db:VULHUBid:VHN-173725date:2021-05-19T00:00:00
db:VULMONid:CVE-2020-20264date:2021-05-19T00:00:00
db:JVNDBid:JVNDB-2021-007316date:2022-02-07T00:00:00
db:CNNVDid:CNNVD-202105-1271date:2021-05-19T00:00:00
db:NVDid:CVE-2020-20264date:2021-05-19T12:15:07.770