CVE-2023-22308 — HIGH (7.5)

Vulnerability 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 Score

7.5

HIGH

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

Affected Products

Vendor	Product	Versions
Softether	Vpn	5.01.9674

Related Weaknesses (CWE)

CWE-191

References

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

FAQ

What is CVE-2023-22308?

CVE-2023-22308 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 attack...

How severe is CVE-2023-22308?

CVE-2023-22308 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-22308?

Check the references section above for vendor advisories and patch information. Affected products include: Softether Vpn.