High severity · published Sep 1, 2021
CVE-2021-40385
An issue was discovered in the server software in Kaseya Unitrends Backup Software before 10.5.5-2
8.8
CVSS
1.1%
EPSS
No
On KEV
Description
An issue was discovered in the server software in Kaseya Unitrends Backup Software before 10.5.5-2. There is a privilege escalation from read-only user to admin.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UB
Unitrends Backup Software · Kaseya
before 10.5.5-2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-40385
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-40385
Third Party Advisory
https://csirt.divd.nl/csirt-divd-nl/cases/DIVD-2021-00014/
More from Unitrends Backup Software
8.8
CVE-2021-40387
An issue was discovered in the server software in Kaseya Unitrends Backup Software before 10.5.5-2