Vulnerability CVE-2021-42711
Published: 2021-12-01   Modified: 2021-12-02

Description:
Barracuda Network Access Client before 5.2.2 creates a Temporary File in a Directory with Insecure Permissions. This file is executed with SYSTEM privileges when an unprivileged user performs a repair operation.

Type:

CWE-276

 (Incorrect Default Permissions)

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Barracuda -> Network access client 

 References:
https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0010/MNDT-2021-0010.md
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