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ID

VAR-202203-0674


CVE

CVE-2021-41987


TITLE

MikroTik  of  routeros  Out-of-bounds write vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2021-018993

DESCRIPTION

In the SCEP Server of RouterOS in certain Mikrotik products, an attacker can trigger a heap-based buffer overflow that leads to remote code execution. The attacker must know the scep_server_name value. This affects RouterOS 6.46.8, 6.47.9, and 6.47.10. MikroTik of routeros Exists in an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in 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. The following products are affected: mikrotik-vm-6.46, mikrotik-vm-6.46.8, mikrotik-tile-6.46.8, mikrotik-6.47.9, and mikrotik-6.47.10

Trust: 1.8

sources: NVD: CVE-2021-41987 // JVNDB: JVNDB-2021-018993 // VULHUB: VHN-403103 // VULMON: CVE-2021-41987

AFFECTED PRODUCTS

vendor:mikrotikmodel:routerosscope:eqversion:6.47.10

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vendor:mikrotikmodel:routerosscope:eqversion:6.47.9

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vendor:mikrotikmodel:routerosscope:eqversion:6.46.8

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vendor:mikrotikmodel:routerosscope: - version: -

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vendor:mikrotikmodel:routerosscope:eqversion: -

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sources: JVNDB: JVNDB-2021-018993 // NVD: CVE-2021-41987

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-41987
value: HIGH

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NVD: CVE-2021-41987
value: HIGH

Trust: 0.8

CNNVD: CNNVD-202203-1534
value: HIGH

Trust: 0.6

VULHUB: VHN-403103
value: MEDIUM

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VULMON: CVE-2021-41987
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-41987
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:M/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.6
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

VULHUB: VHN-403103
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:M/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.6
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2021-41987
baseSeverity: HIGH
baseScore: 8.1
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.2
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2021-41987
baseSeverity: HIGH
baseScore: 8.1
vectorString: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-403103 // VULMON: CVE-2021-41987 // JVNDB: JVNDB-2021-018993 // CNNVD: CNNVD-202203-1534 // NVD: CVE-2021-41987

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.1

problemtype:Out-of-bounds writing (CWE-787) [NVD evaluation ]

Trust: 0.8

sources: VULHUB: VHN-403103 // JVNDB: JVNDB-2021-018993 // NVD: CVE-2021-41987

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202203-1534

TYPE

buffer error

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sources: CNNVD: CNNVD-202203-1534

PATCH

title:MikroTik RouterOS Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=187121

Trust: 0.6

sources: CNNVD: CNNVD-202203-1534

EXTERNAL IDS

db:NVDid:CVE-2021-41987

Trust: 3.4

db:JVNDBid:JVNDB-2021-018993

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db:CNNVDid:CNNVD-202203-1534

Trust: 0.7

db:VULHUBid:VHN-403103

Trust: 0.1

db:VULMONid:CVE-2021-41987

Trust: 0.1

sources: VULHUB: VHN-403103 // VULMON: CVE-2021-41987 // JVNDB: JVNDB-2021-018993 // CNNVD: CNNVD-202203-1534 // NVD: CVE-2021-41987

REFERENCES

url:https://mikrotik.com/download/archive

Trust: 2.6

url:https://teamt5.org/en/posts/vulnerability-mikrotik-cve-2021-41987/

Trust: 2.6

url:https://nvd.nist.gov/vuln/detail/cve-2021-41987

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url:https://cxsecurity.com/cveshow/cve-2021-41987/

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url:https://cwe.mitre.org/data/definitions/787.html

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url:https://nvd.nist.gov

Trust: 0.1

sources: VULHUB: VHN-403103 // VULMON: CVE-2021-41987 // JVNDB: JVNDB-2021-018993 // CNNVD: CNNVD-202203-1534 // NVD: CVE-2021-41987

SOURCES

db:VULHUBid:VHN-403103
db:VULMONid:CVE-2021-41987
db:JVNDBid:JVNDB-2021-018993
db:CNNVDid:CNNVD-202203-1534
db:NVDid:CVE-2021-41987

LAST UPDATE DATE

2024-11-23T22:47:29.647000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-403103date:2022-06-30T00:00:00
db:VULMONid:CVE-2021-41987date:2022-06-30T00:00:00
db:JVNDBid:JVNDB-2021-018993date:2023-07-12T08:30:00
db:CNNVDid:CNNVD-202203-1534date:2022-03-30T00:00:00
db:NVDid:CVE-2021-41987date:2024-11-21T06:27:01.380

SOURCES RELEASE DATE

db:VULHUBid:VHN-403103date:2022-03-16T00:00:00
db:VULMONid:CVE-2021-41987date:2022-03-16T00:00:00
db:JVNDBid:JVNDB-2021-018993date:2023-07-12T00:00:00
db:CNNVDid:CNNVD-202203-1534date:2022-03-16T00:00:00
db:NVDid:CVE-2021-41987date:2022-03-16T15:15:14.547