Is CVE-2021-43033 actively exploited?

CVE-2021-43033 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-43033?

CVE-2021-43033 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-2021-43033?

Patch guidance is available from kaseya security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-43033.

Which products are affected by CVE-2021-43033?

1 product: kaseya unitrends backup.

Fix CVE-2021-43033 - CRITICAL kaseya unitrends backup

Description

An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. Multiple functions in the bpserverd daemon were vulnerable to arbitrary remote code execution as root. The vulnerability was caused by untrusted input (received by the server) being passed to system calls.

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: CWE-78 · OS Command Injection

Metadata

Primary Vendor: KASEYA
Published: 12/6/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2021-43033

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary