CVE-2023-23581

HIGH EPSS 53.1%
Published Oct 12, 20232y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Oct 12, 2023 2y ago
Last Modified Jun 17, 2026 2w ago

Description

A denial-of-service vulnerability exists in the vpnserver EnSafeHttpHeaderValueStr functionality of SoftEther VPN 5.01.9674 and 5.02. A specially crafted network packet can lead to denial of service.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
53.1% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-125 Out-of-bounds Read Memory Safety

Affected Products 2

VendorProductVersionRange
softethervpn5.01.9674any
softethervpn5.02any

References 2

  • talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2023-1741
    ExploitThird Party Advisory
  • talosintelligence.com https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1741

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.