Resource exhaustion in Softethervpn
CVE-2024-38520
SoftEtherVPN is a an open-source cross-platform multi-protocol VPN Program. When SoftEtherVPN is deployed with L2TP enabled on a device, it introduces the possibility of the host being used for amplification/reflection traffic generation because it will respond to every packet with two response packets that are larger than the request packet size. These sorts of techniques are used by external actors who generate spoofed source IPs to target a destination on the internet. This vulnerability has been patched in version 5.02.5185.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.005 (40.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Softethervpn — versions <= 5.02.5183
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2024-38520?
- CVE-2024-38520 is a medium-severity vulnerability in Softethervpn, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2024-06-26.
- How severe is CVE-2024-38520?
- Medium severity. CVSS v3 base score is 5.3 out of 10.