Vulnerability Monitor

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CVE-2020-16937

<p>An information disclosure vulnerability exists when the .NET Framework improperly handles objects in memory. An attacker who successfully exploited the vulnerability could disclose contents of an affected system's memory.</p> <p>To exploit the vulnerability, an authenticated attacker would need to run a specially crafted application.</p> <p>The update addresses the vulnerability by correcting how the .NET Framework handles objects in memory.</p>

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 4.7, requiring local system access to exploit but requires specific conditions to be met without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 9 products from microsoft, from microsoft, from microsoft and 6 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2020-10-16T23:15:15.570

Last Modified

2026-02-23T18:21:27.590

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.7 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application microsoft .net_framework 2.0 Yes
Operating System microsoft windows_server_2008 - No
Application microsoft .net_framework 3.5 Yes
Operating System microsoft windows_8.1 - No
Operating System microsoft windows_server_2012 - No
Operating System microsoft windows_server_2012 r2 No
Application microsoft .net_framework 3.5 Yes
Application microsoft .net_framework 4.6.2 Yes
Application microsoft .net_framework 4.7 Yes
Application microsoft .net_framework 4.7.1 Yes
Application microsoft .net_framework 4.7.2 Yes
Operating System microsoft windows_10 1607 No
Operating System microsoft windows_server_2016 - No
Application microsoft .net_framework 3.5 Yes
Application microsoft .net_framework 4.6 Yes
Application microsoft .net_framework 4.6.1 Yes
Application microsoft .net_framework 4.6.2 Yes
Operating System microsoft windows_10 - No
Application microsoft .net_framework 3.5 Yes
Application microsoft .net_framework 4.7.1 Yes
Application microsoft .net_framework 4.7.2 Yes
Operating System microsoft windows_10 1709 No
Application microsoft .net_framework 3.5 Yes
Application microsoft .net_framework 4.7.2 Yes
Operating System microsoft windows_10 1803 No
Operating System microsoft windows_10 1809 No
Operating System microsoft windows_server_2019 - No
Application microsoft .net_framework 3.5 Yes
Application microsoft .net_framework 4.8 Yes
Operating System microsoft windows_10 1809 No
Operating System microsoft windows_10 1903 No
Operating System microsoft windows_10 1909 No
Operating System microsoft windows_10 2004 No
Operating System microsoft windows_server_2016 1903 No
Operating System microsoft windows_server_2016 1909 No
Operating System microsoft windows_server_2016 2004 No
Operating System microsoft windows_server_2019 - No
Application microsoft .net_framework 3.5.1 Yes
Operating System microsoft windows_7 - No
Operating System microsoft windows_server_2008 r2 No
Application microsoft .net_framework 4.5.2 Yes
Operating System microsoft windows_7 - No
Operating System microsoft windows_8.1 - No
Operating System microsoft windows_rt_8.1 - No
Operating System microsoft windows_server_2008 - No
Operating System microsoft windows_server_2008 r2 No
Operating System microsoft windows_server_2012 - No
Operating System microsoft windows_server_2012 r2 No
Application microsoft .net_framework 4.6 Yes
Operating System microsoft windows_server_2008 - No
Application microsoft .net_framework 4.6 Yes
Application microsoft .net_framework 4.6.1 Yes
Application microsoft .net_framework 4.6.2 Yes
Application microsoft .net_framework 4.7 Yes
Application microsoft .net_framework 4.7.1 Yes
Application microsoft .net_framework 4.7.2 Yes
Operating System microsoft windows_7 - No
Operating System microsoft windows_8.1 - No
Operating System microsoft windows_rt_8.1 - No
Operating System microsoft windows_server_2008 r2 No
Operating System microsoft windows_server_2012 - No
Operating System microsoft windows_server_2012 r2 No
Application microsoft .net_framework 4.8 Yes
Operating System microsoft windows_10 1607 No
Operating System microsoft windows_10 1709 No
Operating System microsoft windows_10 1803 No
Operating System microsoft windows_7 - No
Operating System microsoft windows_8.1 - No
Operating System microsoft windows_rt_8.1 - No
Operating System microsoft windows_server_2008 r2 No
Operating System microsoft windows_server_2012 - No
Operating System microsoft windows_server_2012 r2 No
Operating System microsoft windows_server_2016 - No
References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For microsoft's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.