CVE-2023-22308

HIGH EPSS 49.6%
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

An integer underflow vulnerability exists in the vpnserver OvsProcessData functionality of SoftEther VPN 5.01.9674 and 5.02. A specially crafted network packet can lead to denial of service. An attacker can send a malicious packet to trigger this vulnerability.

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
49.6% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-191

Affected Products 2

VendorProductVersionRange
softethervpn5.01.9674any
softethervpn5.02any

References 2

  • talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2023-1737
    ExploitThird Party Advisory
  • talosintelligence.com https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1737

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.