CVE-2023-27516 - CVE House
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Status published High CVE-2023-27516

An authentication bypass vulnerability exists in the CiRpcAccepted() functionality of...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Discovered by Lilith >_> of Cisco Talos.

References

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Affected Vendor

SoftEther VPN

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Affected Software

SoftEther VPN
Vulnerable Versions:
4.41-9782-beta, 5.01.9674

Timeline

Official Publish: October 12th, 2023
Last Modified: August 2nd, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Weaknesses (CWE)

CWE-453

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.