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 perform a man-in-the-middle attack to trigger this vulnerability.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.015 (74.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
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
- talosintelligence.com/vulnerability_reports/TALOS-2023-1735 (Exploit, Third Party Advisory)
- www.softether.org/9-about/News/904-SEVPN202301 (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.