Details of VAR-202103-0870

ID

VAR-202103-0870

CVE

CVE-2021-27221

TITLE

MikroTik RouterOS Command injection vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-004750

DESCRIPTION

MikroTik RouterOS 6.47.9 allows remote authenticated ftp users to create or overwrite arbitrary .rsc files via the /export command. NOTE: the vendor's position is that this is intended behavior because of how user policies work. ** Unsettled ** This case has not been confirmed as a vulnerability. MikroTik RouterOS Contains a command injection vulnerability. Vendors have challenged this vulnerability. For more information, please see below NVD of Current Description Please Confirm. https://nvd.nist.gov/vuln/detail/CVE-2021-27221Information is tampered with and 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-2021-27221 // JVNDB: JVNDB-2021-004750 // VULHUB: VHN-386442 // VULMON: CVE-2021-27221

AFFECTED PRODUCTS

vendor:	mikrotik	model:	routeros	scope:	eq	version:	6.47.9	Trust: 1.8
vendor:	mikrotik	model:	routeros	scope:	eq	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2021-004750 // NVD: CVE-2021-27221

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-27221
value:	HIGH
Trust: 1.0
NVD:	CVE-2021-27221
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202103-1192
value:	HIGH
Trust: 0.6
VULHUB:	VHN-386442
value:	HIGH
Trust: 0.1
VULMON:	CVE-2021-27221
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2021-27221
severity:	HIGH
baseScore:	8.5
vectorString:	AV:N/AC:L/AU:S/C:N/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	NONE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	8.0
impactScore:	9.2
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9
VULHUB:	VHN-386442
severity:	HIGH
baseScore:	8.5
vectorString:	AV:N/AC:L/AU:S/C:N/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	NONE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	8.0
impactScore:	9.2
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2021-27221
baseSeverity:	HIGH
baseScore:	8.1
vectorString:	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	5.2
version:	3.1
Trust: 1.0
NVD:	CVE-2021-27221
baseSeverity:	HIGH
baseScore:	8.1
vectorString:	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: VULHUB: VHN-386442 // VULMON: CVE-2021-27221 // JVNDB: JVNDB-2021-004750 // CNNVD: CNNVD-202103-1192 // NVD: CVE-2021-27221

PROBLEMTYPE DATA

problemtype:	NVD-CWE-noinfo	Trust: 1.0
problemtype:	Command injection (CWE-77) [NVD Evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-004750 // NVD: CVE-2021-27221

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202103-1192

TYPE

command injection

Trust: 0.6

sources: CNNVD: CNNVD-202103-1192

PATCH

title:

Top Page

url:

https://mikrotik.com/

Trust: 0.8

sources: JVNDB: JVNDB-2021-004750

EXTERNAL IDS

db:	NVD	id:	CVE-2021-27221	Trust: 2.6
db:	JVNDB	id:	JVNDB-2021-004750	Trust: 0.8
db:	CNNVD	id:	CNNVD-202103-1192	Trust: 0.7
db:	CNVD	id:	CNVD-2021-24275	Trust: 0.1
db:	VULHUB	id:	VHN-386442	Trust: 0.1
db:	VULMON	id:	CVE-2021-27221	Trust: 0.1

sources: VULHUB: VHN-386442 // VULMON: CVE-2021-27221 // JVNDB: JVNDB-2021-004750 // CNNVD: CNNVD-202103-1192 // NVD: CVE-2021-27221

REFERENCES

url:	https://onovy.medium.com/routeros-user-with-just-ftp-policy-can-write-to-filesystem-cve-2021-27221-e3e45d780dfe	Trust: 2.6
url:	https://nvd.nist.gov/vuln/detail/cve-2021-27221	Trust: 1.4
url:	https://cwe.mitre.org/data/definitions/77.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: VULHUB: VHN-386442 // VULMON: CVE-2021-27221 // JVNDB: JVNDB-2021-004750 // CNNVD: CNNVD-202103-1192 // NVD: CVE-2021-27221

SOURCES

db:	VULHUB	id:	VHN-386442
db:	VULMON	id:	CVE-2021-27221
db:	JVNDB	id:	JVNDB-2021-004750
db:	CNNVD	id:	CNNVD-202103-1192
db:	NVD	id:	CVE-2021-27221

LAST UPDATE DATE

2024-11-23T22:40:45.970000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-386442	date:	2022-06-28T00:00:00
db:	VULMON	id:	CVE-2021-27221	date:	2021-03-26T00:00:00
db:	JVNDB	id:	JVNDB-2021-004750	date:	2021-11-29T09:08:00
db:	CNNVD	id:	CNNVD-202103-1192	date:	2021-03-30T00:00:00
db:	NVD	id:	CVE-2021-27221	date:	2024-11-21T05:57:37.687

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-386442	date:	2021-03-19T00:00:00
db:	VULMON	id:	CVE-2021-27221	date:	2021-03-19T00:00:00
db:	JVNDB	id:	JVNDB-2021-004750	date:	2021-11-29T00:00:00
db:	CNNVD	id:	CNNVD-202103-1192	date:	2021-03-18T00:00:00
db:	NVD	id:	CVE-2021-27221	date:	2021-03-19T03:15:12.363