RCE in Kaseya Unitrends_backup
CVE-2021-43033
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…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.060 (92.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Kaseya Unitrends_backup
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory)
- cve@mitre.org (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-43033?
- CVE-2021-43033 is a critical-severity vulnerability in Kaseya Unitrends_backup, classified under OS Command Injection. CVSS score: 9.8/10. Published 2021-12-06.
- How severe is CVE-2021-43033?
- Critical severity. CVSS v3 base score is 9.8 out of 10.