CVE-2023-25774

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

A denial-of-service vulnerability exists in the vpnserver ConnectionAccept() functionality of SoftEther VPN 5.02. A set of specially crafted network connections can lead to denial of service. An attacker can send a sequence of malicious packets to trigger this vulnerability.

Existe una vulnerabilidad de Denegación de Servicio (DoS) en la funcionalidad vpnserver ConnectionAccept() de SoftEther VPN 5.02. Un conjunto de conexiones de red especialmente manipuladas puede provocar una Denegación de Servicio (DoS). Un atacante puede enviar una secuencia de paquetes maliciosos para desencadenar esta vulnerabilidad.

*Credits: Discovered by Lilith >_> of Cisco Talos.

CVSS Scores

NISTv3.1 7.5

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-04-14 CVE Reserved
2023-10-12 CVE Published
2024-08-02 CVE Updated
2024-08-02 First Exploit
2024-10-18 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-400: Uncontrolled Resource Consumption

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1743	2024-08-02

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
Softether Search vendor "Softether"		Vpn Search vendor "Softether" for product "Vpn"				5.02 Search vendor "Softether" for product "Vpn" and version "5.02"		-		Affected