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[ CVE-2017-7494 · Published 30 May 2017 ]

Samba Remote Code Execution Vulnerability

Exploited · CISA KEV CVSS 9.8 EPSS 99%Fix available

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2023-03-30
  • Known to be used in ransomware campaigns
  • EPSS: 99% chance of exploitation in the next 30 days (higher than 100% of CVEs)
  • Critical severity: CVSS 9.8

[ Description ]Official 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.

CISA: 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.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 20 Apr 2023): Apply updates per vendor instructions.

[ References ]References