PT-2023-20294 · Softether · Softether Vpn

Lilith >_> · Published 2023-10-12 · Updated 2023-10-18 · CVE-2023-25774

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions SoftEther VPN version 5.02

Description A denial-of-service issue exists in the ConnectionAccept() functionality of the vpnserver. It can be triggered by a set of specially crafted network connections, allowing an attacker to send malicious packets and cause a denial of service.

Recommendations For SoftEther VPN version 5.02, consider disabling the ConnectionAccept() function temporarily until a patch is available to prevent potential exploitation. Restrict access to the vpnserver to minimize the risk of denial of service.

Exploit

Fix

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2023-25774

Affected Products

Softether Vpn

References · 5

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2023-1743 · Exploit
• https://osv.dev/vulnerability/CVE-2023-25774 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-25774 · Security Note
• https://t.me/cibsecurity/72191 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1712542095385190717 · Twitter Post