U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

CVE-2021-20090 Detail

Description

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
https://www.kb.cert.org/vuls/id/914124 Third Party Advisory  US Government Resource 
https://www.kb.cert.org/vuls/id/914124 Third Party Advisory  US Government Resource 
https://www.secpod.com/blog/arcadyan-based-routers-and-modems-under-active-exploitation/ Exploit  Third Party Advisory 
https://www.secpod.com/blog/arcadyan-based-routers-and-modems-under-active-exploitation/ Exploit  Third Party Advisory 
https://www.tenable.com/security/research/tra-2021-13 Exploit  Third Party Advisory 
https://www.tenable.com/security/research/tra-2021-13 Exploit  Third Party Advisory 

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name Date Added Due Date Required Action
Arcadyan Buffalo Firmware Path Traversal Vulnerability 11/03/2021 11/17/2021 Apply updates per vendor instructions.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-20090
NVD Published Date:
04/29/2021
NVD Last Modified:
11/21/2024
Source:
Tenable Network Security, Inc.