🛡️ CVE-2025-27090
🟡 CVSS 5.3 — Medium ✅ No Known Exploit CWE-918 NVD
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Sliver is an open source cross-platform adversary emulation/red team framework, it can be used by organizations of all sizes to perform security testing. The reverse port forwarding in sliver teamserver allows the implant to open a reverse tunnel on the sliver teamserver without verifying if the operator instructed the implant to do so. The only impact that has been shown is the exposure of the server's IP address to a third party. This issue has been addressed in version 1.5.43 and all users are advised to upgrade. There are no known workarounds for this vulnerability.

Details

Severity Medium
CVSS Score 5.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE CWE-918
Public Exploit ✅ No
Source NVD
Published 2025-02-19
Updated 2026-06-15
Modified 2025-03-03

Affected Packages

Software From version Fixed in
github.com/bishopfox/sliver
sliver 1.5.26 1.5.43

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