CVE-2020-0796 · netVigilance record NV22-0055
Microsoft SMBv3 Remote Code Execution
past due ransomware
What to do
Apply updates per vendor instructions.
CISA deadline 2022-08-10 · passed 4 years 1 month ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests. An attacker who successfully exploited the vulnerability could gain the ability to execute code on the target server or client.
Who is affected
Microsoft SMBv3. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-119.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 4 years 1 month ago
Sources
- NVD entry for CVE-2020-0796 nvd.nist.gov/vuln/detail/CVE-2020-0796
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2020-0796