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CVE-2017-7494

CRITICAL CISA KEV

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.

Published: May 30, 2017 Modified: Jun 17, 2026
CWE-94 CWE-94

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

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

Affected Products (5)

Vendor Product Version
samba samba * ≥ 3.5.0 < 4.4.0
samba samba * ≥ 4.4.0 < 4.4.14
samba samba * ≥ 4.5.0 < 4.5.10
samba samba * ≥ 4.6.0 < 4.6.4
debian debian_linux 8.0

GitHub Security Advisory GHSA-453q-q3mp-9cq4

Samba since version 3.5.0 and before 4.6.4, 4.5.10 and 4.4.14 is vulnerable to remote code...

Risk Scores

CVSS Score 9.8 / 10
EPSS Score 99.45%

Top 0% most likely to be exploited

Threat Score 99 / 100

CISA Known Exploited

Date Added: 2023-03-30
Due Date: 2023-04-20
Required Action:

Apply updates per vendor instructions.

Used in Ransomware Campaigns

Data Sources

NVD CISA KEV EPSS GitHub