Vulnerability · Published Jan 12, 2021 · Assigned by microsoft
CVE-2021-1636Microsoft SQL Elevation of Privilege Vulnerability
High 8.8
In plain English
A high-severity SQL injection in Microsoft SQL Server 2012 for x64-based Systems Service Pack 4 (QFE) from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 6.7% (higher than 94% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)6.7%top 6.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
Microsoft SQL Elevation of Privilege Vulnerability
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft SQL Server 2012 Service Pack 4 (QFE) | 11.0.0 – before publication |
| Microsoft | Microsoft SQL Server 2012 for x64-based Systems Service Pack 4 (QFE) | 11.0.0 – before publication |
| Microsoft | Microsoft SQL Server 2017 (GDR) | 14.0.0 – before publication |
| Microsoft | Microsoft SQL Server 2014 Service Pack 3 (GDR) | 12.0.0 – before publication |
| Microsoft | Microsoft SQL Server 2016 for x64-based Systems Service Pack 2 (GDR) | 13.0.0 – before publication |
| Microsoft | Microsoft SQL Server 2014 Service Pack 3 (CU 4) | 12.0.0 – before publication |
| Microsoft | Microsoft SQL Server 2017 (CU 22) | 14.0.0 – before publication |
| Microsoft | Microsoft SQL Server 2016 Service Pack 2 (CU 15) | 13.0.0 – before publication |
| Microsoft | Microsoft SQL Server 2019 (CU 8) | 16.0.0 – before publication |
| Microsoft | Microsoft SQL Server 2019 (GDR) | 15.0.0 – before publication |
Weakness: CWE-89 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Microsoft SQL Elevation of Privilege Vulnerability vendor-advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1636 x_refsource_MISC, x_transferred