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Case File

CVE-2021-43040

HIGH · CVSS 8.8 EPSS 1.77%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-06 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. See the original NVD description below for full technical details.

CVE
CVE-2021-43040
Severity
HIGH
CVSS
8.8
EPSS
1.77%

Original NVD Description

An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. The privileged vaultServer could be leveraged to create arbitrary writable files, leading to privilege escalation.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2021-40386 CRITICAL CVE-2021-43044 CRITICAL CVE-2021-43043 MEDIUM CVE-2021-43042 CRITICAL CVE-2021-43041 HIGH CVE-2021-43039 MEDIUM