Vulnerability Details : CVE-2021-20090

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.
Vulnerability category: Directory traversal
Published 2021-04-29 15:15:11
Updated 2022-04-26 17:05:39
View at NVD,
CVE-2021-20090 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Arcadyan Buffalo Firmware Path Traversal Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Arcadyan Buffalo firmware contains a path traversal vulnerability that could allow unauthenticated, remote attackers to bypass authentication and access sensitive information. This vulnerability affects multiple routers across several different vendors.
Added on 2021-11-03 Action due date 2021-11-17

Exploit prediction scoring system (EPSS) score for CVE-2021-20090

Probability of exploitation activity in the next 30 days: 96.91%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 100 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-20090

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
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CWE ids for CVE-2021-20090

References for CVE-2021-20090

Products affected by CVE-2021-20090

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