CVE-2021-20090 - OpenCVE

A path traversal vulnerability in the web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 could allow unauthenticated remote attackers to bypass authentication.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

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

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Buffalo	Wsr-2533dhp3-bk Wsr-2533dhp3-bk Firmware Wsr-2533dhpl2-bk Wsr-2533dhpl2-bk Firmware

Configuration 1 [-]

AND

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

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

Configuration 2 [-]

AND

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

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

No data.

References

Link	Providers
https://www.kb.cert.org/vuls/id/914124
https://www.secpod.com/blog/arcadyan-based-routers-and-modems-under-active-exploitation/
https://www.tenable.com/security/research/tra-2021-13

History

No history.

MITRE

Status: PUBLISHED

Assigner: tenable

Published: 2021-04-29T00:00:00

Updated: 2024-08-03T17:30:07.572Z

Reserved: 2020-12-17T00:00:00

Link: CVE-2021-20090

Vulnrichment

No data.

NVD

Status : Analyzed

Published: 2021-04-29T15:15:10.630

Modified: 2024-07-25T17:32:27.007

Link: CVE-2021-20090

Redhat

No data.

{"cisaActionDue": "2021-11-17", "cisaExploitAdd": "2021-11-03", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Arcadyan Buffalo Firmware Path Traversal Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:buffalo:wsr-2533dhpl2-bk_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "D861729C-023B-4D73-8C4C-BF7E8B0B7045", "versionEndIncluding": "1.02", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:buffalo:wsr-2533dhpl2-bk:-:*:*:*:*:*:*:*", "matchCriteriaId": "1B03FA14-33E3-44D2-8165-197CB446F2D2", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:buffalo:wsr-2533dhp3-bk_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "63232EC8-B2B8-4867-93DB-C0C5147E2730", "versionEndIncluding": "1.24", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:buffalo:wsr-2533dhp3-bk:-:*:*:*:*:*:*:*", "matchCriteriaId": "7AA91D93-E2B9-4415-B541-1968F1F39814", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A path traversal vulnerability in the web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 could allow unauthenticated remote attackers to bypass authentication."}, {"lang": "es", "value": "Una vulnerabilidad de salto de ruta en 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, podr\u00eda permitir a atacantes remotos no autenticados omitir la autenticaci\u00f3n"}], "id": "CVE-2021-20090", "lastModified": "2024-07-25T17:32:27.007", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-29T15:15:10.630", "references": [{"source": "vulnreport@tenable.com", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.kb.cert.org/vuls/id/914124"}, {"source": "vulnreport@tenable.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.secpod.com/blog/arcadyan-based-routers-and-modems-under-active-exploitation/"}, {"source": "vulnreport@tenable.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2021-13"}], "sourceIdentifier": "vulnreport@tenable.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "nvd@nist.gov", "type": "Primary"}]}