High severity7.5NVD Advisory· Published Oct 12, 2023· Updated Jun 17, 2026
CVE-2023-22308
CVE-2023-22308
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.
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Affected products
2- Range: 5.01.9674, 5.02
- SoftEther VPN/SoftEther VPNv5Range: 5.01.9674
Patches
Vulnerability mechanics
References
2- talosintelligence.com/vulnerability_reports/TALOS-2023-1737nvdExploitThird Party Advisory
- www.talosintelligence.com/vulnerability_reports/TALOS-2023-1737nvd
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