cve.bz

CVE-2021-43033

9.8 criticalEPSS 6.2%

Critical (9.8) in kaseya unitrends backup. EPSS 6.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
6.2% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)
CWE
CWE-78
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON