Vulnerability · Published Oct 12, 2023 · Assigned by talos

CVE-2023-27516

High 7.3

In plain English

A high-severity security flaw in SoftEther VPN from SoftEther VPN. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.5%top 55.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

An authentication bypass vulnerability exists in the CiRpcAccepted() functionality of SoftEther VPN 4.41-9782-beta and 5.01.9674. A specially crafted network packet can lead to unauthorized access. An attacker can send a network request to trigger this vulnerability.

Affected products (as reported)

VendorProductVersions
SoftEther VPN SoftEther VPN 4.41-9782-beta5.01.9674

Weakness: CWE-453 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

References