CVE-2021-20092

The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 do not properly restrict access to sensitive information from an unauthorized actor.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

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

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://www.tenable.com/security/research/tra-2021-13	Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:buffalo:wsr-2533dhpl2-bk_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:buffalo:wsr-2533dhpl2-bk:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:buffalo:wsr-2533dhp3-bk_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:buffalo:wsr-2533dhp3-bk:-:*:*:*:*:*:*:*

History

12 Jul 2022, 17:42

Type	Values Removed	Values Added
CWE	~~CWE-200~~	CWE-287

Information

Published : 2021-04-29 15:15

Updated : 2024-02-04 21:47

NVD link : CVE-2021-20092

Mitre link : CVE-2021-20092

CVE.ORG link : CVE-2021-20092

JSON object : View

Products Affected

buffalo

wsr-2533dhpl2-bk
wsr-2533dhpl2-bk_firmware
wsr-2533dhp3-bk
wsr-2533dhp3-bk_firmware

CWE

CWE-287

Improper Authentication

{"id": "CVE-2021-20092", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "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}]}, "published": "2021-04-29T15:15:10.693", "references": [{"url": "https://www.tenable.com/security/research/tra-2021-13", "tags": ["Third Party Advisory"], "source": "vulnreport@tenable.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 do not properly restrict access to sensitive information from an unauthorized actor."}, {"lang": "es", "value": "Las interfaces web de Buffalo WSR-2533DHPL2 versi\u00f3n de firmware anterior a 1.02 e incluy\u00e9ndola y WSR-2533DHP3 versi\u00f3n de firmware anterior a 1.24 e incluy\u00e9ndola, no restringen apropiadamente el acceso a informaci\u00f3n confidencial de un actor no autorizado"}], "lastModified": "2022-07-12T17:42:04.277", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:buffalo:wsr-2533dhpl2-bk_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D861729C-023B-4D73-8C4C-BF7E8B0B7045", "versionEndIncluding": "1.02"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:buffalo:wsr-2533dhpl2-bk:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "1B03FA14-33E3-44D2-8165-197CB446F2D2"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:buffalo:wsr-2533dhp3-bk_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "63232EC8-B2B8-4867-93DB-C0C5147E2730", "versionEndIncluding": "1.24"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:buffalo:wsr-2533dhp3-bk:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "7AA91D93-E2B9-4415-B541-1968F1F39814"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "vulnreport@tenable.com"}