Vulnerability · Published Oct 12, 2023 · Assigned by talos
CVE-2023-22308
High 7.5
In plain English
A high-severity security flaw in SoftEther VPN from SoftEther VPN. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.8%top 41.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SoftEther VPN | SoftEther VPN | 5.01.96745.02 |
Weakness: CWE-191 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H