CVE-2023-22325

MEDIUM EPSS 52.1%
Published Oct 12, 20232y ago · Modified Jun 17, 20262w ago
5.9 CVSS 3.1
Medium
Find Similar
Published Oct 12, 2023 2y ago
Last Modified Jun 17, 2026 2w ago

Description

A denial of service vulnerability exists in the DCRegister DDNS_RPC_MAX_RECV_SIZE functionality of SoftEther VPN 4.41-9782-beta, 5.01.9674 and 5.02. A specially crafted network packet can lead to denial of service. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.

CVSS Details

Base Score
5.9
Exploitability
2.2
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
52.1% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-835

Affected Products 3

VendorProductVersionRange
softethervpn4.41-9782any
softethervpn5.01.9674any
softethervpn5.02any

References 3

  • talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2023-1736
    ExploitThird Party Advisory
  • softether.org https://www.softether.org/9-about/News/904-SEVPN202301
    PatchVendor Advisory
  • talosintelligence.com https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1736

Remediation

  • softether.org https://www.softether.org/9-about/News/904-SEVPN202301
    PatchVendor Advisory