CVE-2023-23581
HIGHCVSS 7.5/10EPSS 0.83%
Last modified
CVE-2023-23581 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.83% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Softether | Vpn | 5.01.9674 |
| Softether | Vpn | 5.02 |
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1741Exploit, Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1741Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-23581?
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 a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.
How do I fix CVE-2023-23581?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-23581?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST