SQL Injection in Microsoft SQL Server 2012 For X64-Based Systems Service Pack 4 (Qfe)
CVE-2021-1636
Microsoft SQL Elevation of Privilege Vulnerability
Vulnerability class: SQL Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.067 (93.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.062 · newest: 0.067 · change: +0.005
Affected products
- Microsoft SQL Server 2012 For X64-Based Systems Service Pack 4 (Qfe) — versions 11.0.0
- Microsoft SQL Server 2012 Service Pack 4 (Qfe) — versions 11.0.0
- Microsoft SQL Server 2014 Service Pack 3 (Cu 4) — versions 12.0.0
- Microsoft SQL Server 2014 Service Pack 3 (Gdr) — versions 12.0.0
- Microsoft SQL Server 2016 For X64-Based Systems Service Pack 2 (Gdr) — versions 13.0.0
- Microsoft SQL Server 2016 Service Pack 2 (Cu 15) — versions 13.0.0
- Microsoft SQL Server 2017 (Cu 22) — versions 14.0.0
- Microsoft SQL Server 2017 (Gdr) — versions 14.0.0
- Microsoft SQL Server 2019 (Cu 8) — versions 16.0.0
- Microsoft SQL Server 2019 (Gdr) — versions 15.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2021-1636?
- CVE-2021-1636 is a high-severity vulnerability in Microsoft SQL Server 2012 For X64-Based Systems Service Pack 4 (Qfe), classified under SQL Injection. CVSS score: 8.8/10. Published 2021-01-12.
- How severe is CVE-2021-1636?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-1636 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.