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ID

VAR-202107-0092


CVE

CVE-2020-20262


TITLE

Mikrotik RouterOs  Reachable Assertiveness Vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2020-017175

DESCRIPTION

Mikrotik RouterOs before 6.47 (stable tree) suffers from an assertion failure vulnerability in the /ram/pckg/security/nova/bin/ipsec process. An authenticated remote attacker can cause a Denial of Service due to an assertion failure via a crafted packet. Mikrotik RouterOs Exists in a reachable assertiveness vulnerability.Service operation interruption (DoS) It may be in a state. Re: Two vulnerabilities found in MikroTik's RouterOS

Trust: 1.8

sources: NVD: CVE-2020-20262 // JVNDB: JVNDB-2020-017175 // VULHUB: VHN-173723 // VULMON: CVE-2020-20262

AFFECTED PRODUCTS

vendor:mikrotikmodel:routerosscope:ltversion:6.47

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vendor:mikrotikmodel:routerosscope:eqversion: -

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vendor:mikrotikmodel:routerosscope:eqversion:6.47

Trust: 0.8

sources: JVNDB: JVNDB-2020-017175 // NVD: CVE-2020-20262

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-20262
value: MEDIUM

Trust: 1.0

NVD: CVE-2020-20262
value: MEDIUM

Trust: 0.8

CNNVD: CNNVD-202107-1585
value: MEDIUM

Trust: 0.6

VULHUB: VHN-173723
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2020-20262
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-173723
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-2020-20262
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-2020-20262
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-173723 // JVNDB: JVNDB-2020-017175 // CNNVD: CNNVD-202107-1585 // NVD: CVE-2020-20262

PROBLEMTYPE DATA

problemtype:CWE-617

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problemtype:Reachable assertions (CWE-617) [NVD evaluation ]

Trust: 0.8

sources: VULHUB: VHN-173723 // JVNDB: JVNDB-2020-017175 // NVD: CVE-2020-20262

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202107-1585

TYPE

code problem

Trust: 0.6

sources: CNNVD: CNNVD-202107-1585

PATCH

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

Trust: 0.8

sources: JVNDB: JVNDB-2020-017175

EXTERNAL IDS

db:NVDid:CVE-2020-20262

Trust: 3.4

db:JVNDBid:JVNDB-2020-017175

Trust: 0.8

db:CNNVDid:CNNVD-202107-1585

Trust: 0.6

db:VULHUBid:VHN-173723

Trust: 0.1

db:VULMONid:CVE-2020-20262

Trust: 0.1

sources: VULHUB: VHN-173723 // VULMON: CVE-2020-20262 // JVNDB: JVNDB-2020-017175 // CNNVD: CNNVD-202107-1585 // NVD: CVE-2020-20262

REFERENCES

url:https://seclists.org/fulldisclosure/2021/may/2

Trust: 2.6

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

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2020-20262

Trust: 1.4

sources: VULHUB: VHN-173723 // VULMON: CVE-2020-20262 // JVNDB: JVNDB-2020-017175 // CNNVD: CNNVD-202107-1585 // NVD: CVE-2020-20262

SOURCES

db:VULHUBid:VHN-173723
db:VULMONid:CVE-2020-20262
db:JVNDBid:JVNDB-2020-017175
db:CNNVDid:CNNVD-202107-1585
db:NVDid:CVE-2020-20262

LAST UPDATE DATE

2024-08-14T13:53:58.672000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-173723date:2021-07-30T00:00:00
db:JVNDBid:JVNDB-2020-017175date:2022-06-27T00:50:00
db:CNNVDid:CNNVD-202107-1585date:2021-08-02T00:00:00
db:NVDid:CVE-2020-20262date:2021-07-30T13:20:50.257

SOURCES RELEASE DATE

db:VULHUBid:VHN-173723date:2021-07-21T00:00:00
db:JVNDBid:JVNDB-2020-017175date:2022-06-27T00:00:00
db:CNNVDid:CNNVD-202107-1585date:2021-07-21T00:00:00
db:NVDid:CVE-2020-20262date:2021-07-21T15:15:12.807