Vulnerability CVE-2020-25744
Published: 2020-09-18

Description:
SaferVPN before 5.0.3.3 on Windows could allow low-privileged users to create or overwrite arbitrary files, which could cause a denial of service (DoS) condition, because a symlink from %LOCALAPPDATA%\SaferVPN\Log is followed.

Type:

CWE-59

 (Improper Link Resolution Before File Access ('Link Following'))

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.5/10
4.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
None
Partial
Partial
Affected software
Safervpn -> Safervpn 

 References:
https://medium.com/@thebinary0x1/safervpn-for-windows-arbitrary-file-overwrite-dos-bdc88fdb5ead
https://www.youtube.com/watch?v=0QdRJdA_aos
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