VULNERABILITY INTELLIGENCE
CVE-2021-43042
CVSS score9.8 CRITICAL
EPSS probability2.99%
CISA KEVNot currently listed
Published2021-12-06
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. A buffer overflow existed in the vaultServer component. This was exploitable by a remote unauthenticated attacker.
Weakness classification
- nvd@nist.gov: CWE-120
Primary references
- cve@mitre.org — Vendor Advisory
- cve@mitre.org — Exploit, Third Party Advisory
- cve@mitre.org — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory