CVE-2017-7494
Samba Remote Code Execution Vulnerability
- Published
- May 30, 2017
- Updated
- Oct 21, 2025
- Assigning CNA
- redhat
- Evidence observed
- May 24, 2017
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.9%
- Model date
- Oct 11, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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.
Sources
samba/CVE-2017-7494
Samba Authenticated RCE (CVE-2017-7494, Aka SambaCry)
Vulhub vulnerability labsDeclared conditions
- lab image version: vulhub/samba:4.6.3(samba/CVE-2017-7494/docker-compose.yml:services.samba.image)
modules/exploits/linux/samba/is_known_pipename.rb
Metasploit Framework modulesDeclared conditions
- platform: Linux,Unix($.exploit_linux/samba/is_known_pipename.platform)
- verification: check_declared($.exploit_linux/samba/is_known_pipename.check)
Responsible use
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