CVE-2021-43042

Critical

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductKaseya Unitrends Backup
PublishedDec 6, 2021
First seenDec 6, 2021

How to fix

Update
  • kaseya unitrends_backup10.5.5 or later

Affected products

ProductAffected versionsFixed in
kaseya unitrends_backup10.0 ≤ v < 10.5.510.5.5

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Choose the product and enter the version you run to see whether it falls in the affected range.

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