CVE-2023-22308

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-191

Affected software

Vendor	Product	Versions
SoftEther VPN	SoftEther VPN	5.01.9674; 5.02

References

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1737Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1737Exploit, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1737

Timeline

Published: Oct 12, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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