Sign-up

ID

VAR-202105-0092


CVE

CVE-2020-20247


TITLE

Mikrotik RouterOs Buffer error vulnerability

Trust: 0.6

sources: CNNVD: CNNVD-202105-058

DESCRIPTION

Mikrotik RouterOs before 6.46.5 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/traceroute process. An authenticated remote attacker can cause a Denial of Service due via the loop counter variable. 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-2020-20247 // VULHUB: VHN-173706 // VULMON: CVE-2020-20247

AFFECTED PRODUCTS

vendor:mikrotikmodel:routerosscope:ltversion:6.46.5

Trust: 1.0

sources: NVD: CVE-2020-20247

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-20247
value: MEDIUM

Trust: 1.0

CNNVD: CNNVD-202105-058
value: MEDIUM

Trust: 0.6

VULHUB: VHN-173706
value: MEDIUM

Trust: 0.1

VULMON: CVE-2020-20247
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2020-20247
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-173706
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-2020-20247
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-173706 // VULMON: CVE-2020-20247 // CNNVD: CNNVD-202105-058 // NVD: CVE-2020-20247

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.1

problemtype:CWE-119

Trust: 0.1

sources: VULHUB: VHN-173706 // NVD: CVE-2020-20247

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202105-058

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202105-058

PATCH

title:Mikrotik RouterOs Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=149911

Trust: 0.6

sources: CNNVD: CNNVD-202105-058

EXTERNAL IDS

db:NVDid:CVE-2020-20247

Trust: 1.8

db:CNNVDid:CNNVD-202105-058

Trust: 0.6

db:VULHUBid:VHN-173706

Trust: 0.1

db:VULMONid:CVE-2020-20247

Trust: 0.1

sources: VULHUB: VHN-173706 // VULMON: CVE-2020-20247 // CNNVD: CNNVD-202105-058 // NVD: CVE-2020-20247

REFERENCES

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

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2020-20247

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/119.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: VULHUB: VHN-173706 // VULMON: CVE-2020-20247 // CNNVD: CNNVD-202105-058 // NVD: CVE-2020-20247

SOURCES

db:VULHUBid:VHN-173706
db:VULMONid:CVE-2020-20247
db:CNNVDid:CNNVD-202105-058
db:NVDid:CVE-2020-20247

LAST UPDATE DATE

2024-08-14T14:38:02.174000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-173706date:2022-06-28T00:00:00
db:VULMONid:CVE-2020-20247date:2021-05-10T00:00:00
db:CNNVDid:CNNVD-202105-058date:2021-05-11T00:00:00
db:NVDid:CVE-2020-20247date:2022-06-28T14:11:45.273

SOURCES RELEASE DATE

db:VULHUBid:VHN-173706date:2021-05-03T00:00:00
db:VULMONid:CVE-2020-20247date:2021-05-03T00:00:00
db:CNNVDid:CNNVD-202105-058date:2021-05-03T00:00:00
db:NVDid:CVE-2020-20247date:2021-05-03T16:15:07.467