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CVE-2021-20090

nvd nistnuclei
Published: Apr 29, 2021Modified: Nov 3, 2025CISA KEV

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9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: NVD

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.

Affected (2)

Buffalo
2 products
Wsr 2533dhpl2 Bk Firmware
Wsr 2533dhp3 Bk Firmware
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Wsr 2533dhpl2 Bk Firmware
Up to 1.02
Running on/withPlatform Versions
Buffalo
Wsr 2533dhpl2 Bk
All versions
Configuration B
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Wsr 2533dhp3 Bk Firmware
Up to 1.24
Running on/withPlatform Versions
Buffalo
Wsr 2533dhp3 Bk
All versions

Related CWEs

CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (7)

Source: vulnreport@tenable.com
Third Party AdvisoryUS Government Resource
Source: vulnreport@tenable.com
ExploitThird Party Advisory
Source: vulnreport@tenable.com
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryUS Government Resource
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

Timeline

No history available yet.