Microsoft SQL Server Management Studio 18.6 input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Microsoft SQL Server Management Studio 18.6. This vulnerability affects unknown code. This manipulation causes input validation. This vulnerability appears as CVE-2020-1455. The attack may be initiated remotely. There is no available exploit. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft SQL Server Management Studio 18.6 (Database Software). It has been declared as problematic. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. The summary by CVE is:

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.

The weakness was presented 08/11/2020 as confirmed security update guide (Website). The advisory is shared at portal.msrc.microsoft.com. The public release was coordinated in cooperation with Microsoft. This vulnerability is known as CVE-2020-1455. The attack can be launched remotely. Required for exploitation is a single authentication. Neither technical details nor an exploit are publicly available. The advisory points out:

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.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

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Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

11/04/2019 🔍
08/11/2020 +281 days 🔍
08/11/2020 +0 days 🔍
08/12/2020 +1 days 🔍
02/23/2026 +2021 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2020-1455 (🔍)
GCVE (CVE): GCVE-0-2020-1455
GCVE (VulDB): GCVE-100-159613

Entryinfo

Created: 08/12/2020 08:55
Updated: 02/23/2026 21:10
Changes: 08/12/2020 08:55 (43), 08/12/2020 09:00 (17), 11/08/2020 12:24 (1), 02/23/2026 21:10 (29)
Complete: 🔍
Cache ID: 216::103

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