Is CVE-2021-45840 actively exploited?

CVE-2021-45840 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-45840?

CVE-2021-45840 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2021-45840?

Patch guidance is available from terra-master security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-45840.

Fix CVE-2021-45840 - CRITICAL terra-master tos

Description

It is possible to execute arbitrary commands as root in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) by sending specifically crafted input to /tos/index.php?app/app_start_stop.

CVSS Metrics

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

Metadata

Primary Vendor: TERRA-MASTER
Published: 4/25/2022
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2021-45840

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary