Microsoft Windows SMBv1 Information Disclosure Vulnerability (CVE-2017-0147)
Severity: high · Patch status: patched · Since 2022-05-24 · CVE-2017-0147
The SMBv1 server in Microsoft Windows allows remote attackers to obtain sensitive information from process memory via a crafted packet. CISA added CVE-2017-0147 to its Known Exploited Vulnerabilities catalog on May 24, 2022, which means attackers are exploiting it in the wild. CISA reports known use in ransomware campaigns.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Jun 14, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch