Is CVE-2021-20091 actively exploited?

CVE-2021-20091 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-20091?

CVE-2021-20091 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2021-20091?

Patch guidance is available from buffalo security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-20091.

Fix CVE-2021-20091 - HIGH buffalo wsr-2533dhpl2-bk firmware

Q: Which products are affected by CVE-2021-20091?

2 products: buffalo wsr-2533dhpl2-bk firmware, buffalo wsr-2533dhp3-bk firmware.

Description

The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 do not properly sanitize user input. An authenticated remote attacker could leverage this vulnerability to alter device configuration, potentially gaining remote code execution.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: NVD-CWE-noinfo

Metadata

Primary Vendor: BUFFALO
Published: 4/29/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2021-20091

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary