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MitreCVE-2021-43041

HistoryDec 06, 2021 - 4:15 a.m.

CVE-2021-43041

2021-12-0604:15:07

CWE-134

mitre

web.nvd.nist.gov

cve-2021-43041

kaseya unitrends backup appliance

format string vulnerability

http request

nvd

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

8.4

Confidence

High

EPSS

0.002

Percentile

54.8%

JSON

An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. A crafted HTTP request could induce a format string vulnerability in the privileged vaultServer application.

Affected configurations

Nvd

Node

kaseyaunitrends_backupRange10.0–10.5.5

VendorProductVersionCPE
kaseyaunitrends_backup*cpe:2.3:a:kaseya:unitrends_backup:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
kaseya	unitrends_backup	*	cpe:2.3:a:kaseya:unitrends_backup::::::::

References

helpdesk.kaseya.com/hc/en-gb/articles/4412762258961

www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1

www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2

Social References

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

8.4

Confidence

High

EPSS

0.002

Percentile

54.8%

JSON

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