Is CVE-2021-37748 actively exploited?

CVE-2021-37748 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-37748?

CVE-2021-37748 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-2021-37748?

Patch guidance is available from grandstream security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-37748.

Which products are affected by CVE-2021-37748?

1 product: grandstream ht801 firmware.

Fix CVE-2021-37748 - HIGH grandstream ht801 firmware

Description

Multiple buffer overflows in the limited configuration shell (/sbin/gs_config) on Grandstream HT801 devices before 1.0.29 allow remote authenticated users to execute arbitrary code as root via a crafted manage_if setting, thus bypassing the intended restrictions of this shell and taking full control of the device. There are default weak credentials that can be used to authenticate.

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: CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: GRANDSTREAM
Published: 10/28/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2021-37748

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary