CVE-2020-1455 json
Microsoft SQL Server Management Studio Denial of Service Vulnerability
published 2020-08-17 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-12330
- cvss
- 5.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
A denial of service vulnerability exists when Microsoft SQL Server Management Studio (SSMS) improperly handles files. An attacker could exploit the vulnerability to trigger a denial of service. To exploit the vulnerability, an attacker would first require execution on the victim system. The security update addresses the vulnerability by ensuring Microsoft SQL Server Management Studio properly handles files.
Patch / fix
- microsoft sql_server_management_studio 18.6
Exploit prediction
1.23% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:H/RL:O/RC:C |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L |
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- Microsoft SQL Server Management Studio 18.6
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2020-1455
patch, vendor-advisory
Sources
- CVE List CVE-2020-1455
- NVD CVE-2020-1455
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