CVE-2023-27516 — HIGH (7.3)

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.

CVSS Score

7.3

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Softether	Vpn	4.41-9782

Related Weaknesses (CWE)

CWE-1188 CWE-453

References

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1754ExploitThird Party Advisory
https://www.softether.org/9-about/News/904-SEVPN202301PatchVendor Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1754ExploitThird Party Advisory
https://www.softether.org/9-about/News/904-SEVPN202301PatchVendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1754

FAQ

What is CVE-2023-27516?

CVE-2023-27516 is a vulnerability with a CVSS score of 7.3 (HIGH). 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...

How severe is CVE-2023-27516?

CVE-2023-27516 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-27516?

Check the references section above for vendor advisories and patch information. Affected products include: Softether Vpn.