Microsoft SMBv1 Server Remote Code Execution Vulnerability (CVE-2017-0148)
Severity: high · Patch status: patched · Since 2022-04-06 · CVE-2017-0148
The SMBv1 server in Microsoft allows remote attackers to execute arbitrary code via crafted packets. CISA added CVE-2017-0148 to its Known Exploited Vulnerabilities catalog on Apr 6, 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 Apr 27, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch