CVE-2021-20090 - Vulnerability Details - 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

This CVE is in the KEV database since Nov. 3, 2021.

Exploitation active

Automatable yes

Technical Impact total

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

Thu, 06 Feb 2025 21:15:00 +0000

Type	Values Removed	Values Added
Metrics		kev `{'dateAdded': '2021-11-03'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: tenable

Published: 2021-04-29T00:00:00.000Z

Updated: 2025-02-06T20:25:29.587Z

Reserved: 2020-12-17T00:00:00.000Z

Link: CVE-2021-20090

Vulnrichment

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

NVD

Status : Analyzed

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

Modified: 2025-03-19T20:56:01.547

Link: CVE-2021-20090

Redhat

No data.

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