CVE-2020-14140

When Xiaomi router firmware is updated in 2020, there is an unauthenticated API that can reveal WIFI password vulnerability. This vulnerability is caused by the lack of access control policies on some API interfaces. Attackers can exploit this vulnerability to enter the background and execute background command injection.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=506	Vendor Advisory
https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=506	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:mi:xiaomi_router_firmware:*:*:*:*:*:*:*:*

History

21 Nov 2024, 05:02

Type	Values Removed	Values Added
References	~~() https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=506 - Vendor Advisory~~	() https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=506 - Vendor Advisory

06 Apr 2023, 17:48

Type	Values Removed	Values Added
References	~~(MISC) https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=506 -~~	(MISC) https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=506 - Vendor Advisory
CPE		cpe:2.3:o:mi:xiaomi_router_firmware::::::::
CWE		CWE-306
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
First Time		Mi xiaomi Router Firmware Mi

29 Mar 2023, 20:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-03-29 20:15

Updated : 2025-02-18 18:15

NVD link : CVE-2020-14140

Mitre link : CVE-2020-14140

CVE.ORG link : CVE-2020-14140

JSON object : View

Products Affected

mi

xiaomi_router_firmware

CWE

CWE-306

Missing Authentication for Critical Function

{"id": "CVE-2020-14140", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2023-03-29T20:15:07.087", "references": [{"url": "https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=506", "tags": ["Vendor Advisory"], "source": "security@xiaomi.com"}, {"url": "https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=506", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-306"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-306"}]}], "descriptions": [{"lang": "en", "value": "When Xiaomi router firmware is updated in 2020, there is an unauthenticated API that can reveal WIFI password vulnerability. This vulnerability is caused by the lack of access control policies on some API interfaces. Attackers can exploit this vulnerability to enter the background and execute background command injection."}], "lastModified": "2025-02-18T18:15:09.703", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mi:xiaomi_router_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D7EFC1FC-A575-45EC-8BDD-9F84017ABB84", "versionEndExcluding": "2023.2", "versionStartIncluding": "2020"}], "operator": "OR"}]}], "sourceIdentifier": "security@xiaomi.com"}