Sliver does not restricted traffic between Wireguard clients._CVE-2025-27093

6.3 / 10

MEDIUM

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

Description

Sliver is a command and control framework that uses a custom Wireguard netstack. In versions 1.5.43 and earlier, and in development version 1.6.0-dev, the netstack does not limit traffic between Wireguard clients. This allows clients to communicate with each other unrestrictedly, potentially enabling leaked or recovered keypairs to be used to attack operators or allowing port forwardings to be accessible from other implants.

Basic Information

ID CVE-2025-27093

Source GitHub_M

Published Oct 28, 2025 at 19:29

Affected Product

Vendor BishopFox

Product sliver

Version <= 1.5.43

Affected Versions BishopFox sliver <= 1.5.43

CWE Classification

CWE-284

References

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    "published": "2025-10-28T19:29:16.147Z",
    "modified": "2025-10-28T19:29:16.147Z",
    "type": "cve",
    "title": "Sliver does not restricted traffic between Wireguard clients.",
    "source": "GitHub_M",
    "references": "https://github.com/BishopFox/sliver/security/advisories/GHSA-q8j9-34qf-7vq7\nhttps://github.com/BishopFox/sliver/commit/8e5c5f14506d6d60ebb3362e6b9857ab1e0d76ff\nhttps://github.com/BishopFox/sliver/commit/9122878cbbcae543eb8210f616550382af2065fd",
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