CVE-2020-0796 — Microsoft SMBv3 Remote Code Execution Vulnerability
CVE-2020-0796: Microsoft SMBv3 Remote Code Execution Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Microsoft |
| Product | SMBv3 |
| Date added | 2022-02-10 |
| Due date | 2022-08-10 |
| Ransomware campaign use | Known |
Description
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.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2020-0796
Weakness behind it
CISA records this vulnerability as an instance of CWE-119. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-0796
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
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