CVE-2023-27516
HIGHSoftEther VPN 4.41-9782-beta and 5.01.9674 - Authentication Bypass via CiRpcAccepted()
Title source: llmDescription
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.
References (3)
Core 3
Core References
Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1754
Patch, Vendor Advisory
https://www.softether.org/9-about/News/904-SEVPN202301
Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1754
Scores
CVSS v3
7.3
EPSS
0.0053
EPSS Percentile
40.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-453
CWE-1188
Status
published
Products (2)
softether/vpn
4.41-9782 beta
softether/vpn
5.01.9674
Published
Oct 12, 2023
Tracked Since
Feb 18, 2026