CVE-2023-23581 — HIGH (7.5)

Vulnerability 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 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-125

References

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

FAQ

What is CVE-2023-23581?

CVE-2023-23581 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

How severe is CVE-2023-23581?

CVE-2023-23581 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-2023-23581?

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