Details of VAR-202107-0081

ID

VAR-202107-0081

CVE

CVE-2020-20216

TITLE

Mikrotik RouterOs In NULL Pointer dereference vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-008944

DESCRIPTION

Mikrotik RouterOs 6.44.6 (long-term tree) suffers from a memory corruption vulnerability in the /nova/bin/graphing process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference). 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. Re: Three vulnerabilities found in MikroTik's RouterOS

Trust: 1.8

sources: NVD: CVE-2020-20216 // JVNDB: JVNDB-2021-008944 // VULHUB: VHN-173672 // VULMON: CVE-2020-20216

AFFECTED PRODUCTS

vendor:	mikrotik	model:	routeros	scope:	eq	version:	6.44.6	Trust: 1.0
vendor:	mikrotik	model:	routeros	scope:	eq	version:	-	Trust: 0.8
vendor:	mikrotik	model:	routeros	scope:	eq	version:	6.44.6 (long-term tree)	Trust: 0.8

sources: JVNDB: JVNDB-2021-008944 // NVD: CVE-2020-20216

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-20216
value:	MEDIUM
Trust: 1.0
NVD:	CVE-2020-20216
value:	MEDIUM
Trust: 0.8
CNNVD:	CNNVD-202107-298
value:	MEDIUM
Trust: 0.6
VULHUB:	VHN-173672
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2020-20216
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-173672
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-2020-20216
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-2020-20216
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-173672 // JVNDB: JVNDB-2021-008944 // CNNVD: CNNVD-202107-298 // NVD: CVE-2020-20216

PROBLEMTYPE DATA

problemtype:	CWE-476	Trust: 1.1
problemtype:	NULL Pointer dereference (CWE-476) [NVD Evaluation ]	Trust: 0.8

sources: VULHUB: VHN-173672 // JVNDB: JVNDB-2021-008944 // NVD: CVE-2020-20216

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202107-298

TYPE

code problem

Trust: 0.6

sources: CNNVD: CNNVD-202107-298

PATCH

title:

Top Page

url:

https://mikrotik.com/

Trust: 0.8

sources: JVNDB: JVNDB-2021-008944

EXTERNAL IDS

db:	NVD	id:	CVE-2020-20216	Trust: 3.4
db:	JVNDB	id:	JVNDB-2021-008944	Trust: 0.8
db:	CNNVD	id:	CNNVD-202107-298	Trust: 0.6
db:	VULHUB	id:	VHN-173672	Trust: 0.1
db:	VULMON	id:	CVE-2020-20216	Trust: 0.1

sources: VULHUB: VHN-173672 // VULMON: CVE-2020-20216 // JVNDB: JVNDB-2021-008944 // CNNVD: CNNVD-202107-298 // NVD: CVE-2020-20216

REFERENCES

url:	http://seclists.org/fulldisclosure/2021/may/10	Trust: 2.6
url:	https://mikrotik.com/	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2020-20216	Trust: 0.8

sources: VULHUB: VHN-173672 // VULMON: CVE-2020-20216 // JVNDB: JVNDB-2021-008944 // CNNVD: CNNVD-202107-298 // NVD: CVE-2020-20216

SOURCES

db:	VULHUB	id:	VHN-173672
db:	VULMON	id:	CVE-2020-20216
db:	JVNDB	id:	JVNDB-2021-008944
db:	CNNVD	id:	CNNVD-202107-298
db:	NVD	id:	CVE-2020-20216

LAST UPDATE DATE

2024-08-14T15:11:50.829000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-173672	date:	2021-07-08T00:00:00
db:	JVNDB	id:	JVNDB-2021-008944	date:	2022-03-31T08:42:00
db:	CNNVD	id:	CNNVD-202107-298	date:	2021-07-09T00:00:00
db:	NVD	id:	CVE-2020-20216	date:	2021-07-08T12:54:24.230

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-173672	date:	2021-07-07T00:00:00
db:	JVNDB	id:	JVNDB-2021-008944	date:	2022-03-31T00:00:00
db:	CNNVD	id:	CNNVD-202107-298	date:	2021-07-07T00:00:00
db:	NVD	id:	CVE-2020-20216	date:	2021-07-07T14:15:09.507