CVE-2021-43042: Buffer Overflow
Published Dec 6, 2021
·Updated
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.
Affected Software
1 affected component
Kaseya Unitrends Backup>=10.0<10.5.5
Event History
Dec 6, 2021
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·04:15 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2021-43042?
CVE-2021-43042 is classified as a high-severity vulnerability due to the potential for remote unauthenticated exploitation.
2
How do I fix CVE-2021-43042?
To fix CVE-2021-43042, upgrade Kaseya Unitrends Backup Appliance to version 10.5.5 or later.
3
Who is affected by CVE-2021-43042?
CVE-2021-43042 affects all versions of Kaseya Unitrends Backup prior to version 10.5.5.
4
What type of attack does CVE-2021-43042 facilitate?
CVE-2021-43042 enables remote unauthenticated attackers to exploit a buffer overflow.
5
What component of Kaseya is involved in CVE-2021-43042?
The vaultServer component of Kaseya Unitrends Backup Appliance is involved in CVE-2021-43042.