What is CVE-2023-27395?

CVE-2023-27395 is a critical-severity vulnerability in Softether Vpn, classified under Heap-based Buffer Overflow. CVSS score: 9.0/10. Published 2023-10-12.

How severe is CVE-2023-27395?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Buffer overflow in Softether Vpn

CVE-2023-27395

A heap-based buffer overflow vulnerability exists in the vpnserver WpcParsePacket() functionality of SoftEther VPN 4.41-9782-beta, 5.01.9674 and 5.02. A specially crafted network packet can lead to arbitrary code execution. An attacker can…

Vulnerability class: Buffer Overflow

EPSS: 0.014 (69.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Softether Vpn — versions 4.41-9782, 5.01.9674, 5.02
Softether Vpn — versions 4.41-9782-beta, 5.01.9674, 5.02

Weakness classification (CWE)

References

talos-cna@cisco.com (Exploit, Third Party Advisory)
talos-cna@cisco.com (Patch, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2023-27395?: CVE-2023-27395 is a critical-severity vulnerability in Softether Vpn, classified under Heap-based Buffer Overflow. CVSS score: 9.0/10. Published 2023-10-12.
How severe is CVE-2023-27395?: Critical severity. CVSS v3 base score is 9.0 out of 10.