CVE-2024-38520

SoftEther VPN with L2TP - 2.75x Amplification

Description

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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.21%
Affected: SoftEtherVPN SoftEtherVPN
Published at:
Updated at:

References

Link Tags
https://github.com/SoftEtherVPN/SoftEtherVPN/security/advisories/GHSA-j35p-p8pj-vqxq
https://github.com/SoftEtherVPN/SoftEtherVPN/commit/c2a7aa548137dc80c6aafdc645cf4dc34e0dc764
https://github.com/SoftEtherVPN/SoftEtherVPN/releases/tag/5.02.5185

Frequently Asked Questions

What is the severity of CVE-2024-38520?
CVE-2024-38520 has been scored as a medium severity vulnerability.
How to fix CVE-2024-38520?
To fix CVE-2024-38520, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-38520 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-38520 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-38520?
CVE-2024-38520 affects SoftEtherVPN SoftEtherVPN.
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