CVE-2021-43042

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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961	Vendor Advisory
https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1	Exploit Third Party Advisory
https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:kaseya:unitrends_backup:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-12-06 04:15

Updated : 2024-02-28 18:48

NVD link : CVE-2021-43042

Mitre link : CVE-2021-43042

CVE.ORG link : CVE-2021-43042

JSON object : View

Products Affected

kaseya

unitrends_backup

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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