CVE-2017-7494VulnerabilityPublished 03/30/2023Updated 10/24/2026
CVE-2017-7494: Samba Remote Code Execution Vulnerability
Affects Samba SambaSource CISA KEV
Severity
HighNo CVSS score published yet
- Exploitation
Actively exploited – in CISA KEV since 03/30/2023
- KEV deadline
- 04/20/2023
- Ransomware
- Used in ransomware campaigns
- EPSS
- 99.4% chance of exploitation in 30 days – higher than 99% of CVEs
What to do
CISA required action
Apply updates per vendor instructions.
Description
Samba contains a 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.