CVE-2017-7494

critical

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.

From the Tenable Blog

Detecting SambaCry CVE-2017-7494
Detecting SambaCry CVE-2017-7494

Published: 2017-05-26

We’ve seen several critical vulnerabilities lately. First there was WannaCry, and then WannaCry 2.0 (EternalRocks), and now do we have WannaCry 3.0? Well, not really.

References

https://github.com/RenatoAntunovic/cve-metasploit-skeniranje

https://github.com/mukidulislamzihad/m2-vulnerability-assessment

https://github.com/YonLiud/CVE-2017-7494

https://github.com/Sadz1d/IS

https://github.com/krish-achanta/vuln-validator

https://github.com/Retr0wq/network-scanner

https://github.com/Nnamdi489/vulnerability-assessment-lab

https://github.com/owlsecx/OSpecter

https://github.com/Deloney-code/AI-Powered-Red-Team-Automation

https://github.com/Zanex360/cdt-vulnsamba-deploy

https://github.com/Zanex360/cdt-samba-deploy

https://github.com/Neelesh707/Security-writeups

https://github.com/hacksudo/samba-vuln-checker

https://github.com/sudlit/CVE-2017-7494

https://github.com/ManoJ9082/Vulnerability-Assessment-using-Tenable-Nessus

https://github.com/HariCyber-Sec/hackviser-cve-labs

https://github.com/LyticOnaope/ZHVA

https://github.com/Live-Hack-CVE/CVE-2017-7494

https://github.com/d3fudd/CVE-2017-7494_SambaCry

https://github.com/caique-garbim/CVE-2017-7494_SambaCry

https://github.com/00mjk/exploit-CVE-2017-7494

https://github.com/eulercode/exploit-CVE-2017-7494

https://github.com/elellacode/exploit-CVE-2017-7494

https://github.com/adjaliya/-CVE-2017-7494-Samba-Exploit-POC

https://github.com/I-Rinka/BIT-EternalBlue-for-macOS_Linux

https://github.com/m4udSec/noSAMBAnoCRY-CVE-2017-7494

https://github.com/joxeankoret/CVE-2017-7494

https://github.com/brianwrf/SambaHunter

https://github.com/Waffles-2/SambaCry

https://github.com/opsxcq/exploit-CVE-2017-7494

https://www.samba.org/samba/security/CVE-2017-7494.html

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-7494

Details

Source: Mitre, NVD

Published: 2017-05-30

Updated: 2026-06-17

Named Vulnerability: SambacryNamed Vulnerability: EternalRedKnown Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.99448