CVE-2020-25744

Severity Score

8.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

SaferVPN anterior a la versión 5.0.3.3 en Windows podría permitir a los usuarios con pocos privilegios crear o sobrescribir archivos arbitrarios, lo que podría causar una condición de denegación de servicio (DoS), porque se sigue un enlace simbólico de %LOCALAPPDATA%\SaferVPN\Log

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-09-18 CVE Reserved
2020-09-18 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-59: Improper Link Resolution Before File Access ('Link Following')

CAPEC

References (2)

URL	Tag	Source
https://medium.com/%40thebinary0x1/safervpn-for-windows-arbitrary-file-overwrite-dos-bdc88fdb5ead	X_refsource_misc

URL	Date	SRC
https://www.youtube.com/watch?v=0QdRJdA_aos	2024-08-04

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Safervpn Search vendor "Safervpn"		Safervpn Search vendor "Safervpn" for product "Safervpn"				< 5.0.3.3 Search vendor "Safervpn" for product "Safervpn" and version " < 5.0.3.3"		windows		Affected