Vulnerability Details : CVE-2023-27516
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.
Vulnerability category: Bypass
Products affected by CVE-2023-27516
- cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:*
- cpe:2.3:a:softether:vpn:4.41-9782:beta:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-27516
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 7 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-27516
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | |
|
7.3
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L |
2.5
|
4.7
|
Talos |
CWE ids for CVE-2023-27516
-
The product, by default, initializes an internal variable with an insecure or less secure value than is possible.Assigned by: talos-cna@cisco.com (Secondary)
-
The product initializes or sets a resource with a default that is intended to be changed by the administrator, but the default is not secure.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-27516
-
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1754
TALOS-2023-1754 || Cisco Talos Intelligence Group - Comprehensive Threat IntelligenceExploit;Third Party Advisory
-
https://www.softether.org/9-about/News/904-SEVPN202301
2023/06/30: SE202301: Security Advisory: CVE-2023-27395 etc: Fixed 6 vulnerabilities of SoftEther VPN in cooperation with Cisco Systems, Inc. - SoftEther VPN ProjectPatch;Vendor Advisory
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