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CVE-2017-7494

CRITICAL9.8
CISA KEV

Published 2017-05-30 · Updated 2026-06-17 · Source secalert@redhat.com

Summary

CVE-2017-7494 is a critical-severity (CVSS 9.8) vulnerability in Samba Samba. CISA added it to the Known Exploited Vulnerabilities catalog on March 30, 2023, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by April 20, 2023. CISA also lists it as known to be used in ransomware campaigns, so it should be prioritised accordingly.

All 1 known-exploited Samba vulnerabilities →

Description

Samba since version 3.5.0 and before 4.6.4, 4.5.10 and 4.4.14 is vulnerable to remote code execution vulnerability, allowing a malicious client to upload a shared library to a writable share, and then cause the server to load and execute it.

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

CWE-94CWE-94

CISA Known-Exploited Vulnerability

Product: Samba — Samba

Name: Samba Remote Code Execution Vulnerability

Date added: 2023-03-30 · Due: 2023-04-20

USED IN RANSOMWARE

Required action: Apply updates per vendor instructions.

References

View on NVD