{"id":"CVE-2020-16937","aliases":["EUVD-2020-8895","GHSA-rc5w-jj6x-53wj"],"status":"published","title":".NET Framework Information Disclosure Vulnerability","description":"\u003cp\u003eAn 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.\u003c/p\u003e\n\u003cp\u003eTo exploit the vulnerability, an authenticated attacker would need to run a specially crafted application.\u003c/p\u003e\n\u003cp\u003eThe update addresses the vulnerability by correcting how the .NET Framework handles objects in memory.\u003c/p\u003e","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.03288,"percentile":0.88579,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2020-10-16T22:17:56Z","modified":"2026-06-17T02:58:18Z","products":[{"vendor":"microsoft","product":".net_framework"},{"vendor":"microsoft","product":"microsoft .net framework 2.0 service pack 2"},{"vendor":"microsoft","product":"microsoft .net framework 3.5"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.6.2/4.7/4.7.1/4.7.2"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.6/4.6.1/4.6.2"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.7.1/4.7.2"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.7.2"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.8"},{"vendor":"microsoft","product":"microsoft .net framework 3.5.1"},{"vendor":"microsoft","product":"microsoft .net framework 4.5.2"},{"vendor":"microsoft","product":"microsoft .net framework 4.6"},{"vendor":"microsoft","product":"microsoft .net framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2"},{"vendor":"microsoft","product":"microsoft .net framework 4.8"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16937","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-16937"},{"url":"https://github.com/advisories/GHSA-rc5w-jj6x-53wj"}],"sources":{"cve":[{"id":"CVE-2020-16937","title":".NET Framework Information Disclosure Vulnerability","description":"\u003cp\u003eAn 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.\u003c/p\u003e\n\u003cp\u003eTo exploit the vulnerability, an authenticated attacker would need to run a specially crafted application.\u003c/p\u003e\n\u003cp\u003eThe update addresses the vulnerability by correcting how the .NET Framework handles objects in memory.\u003c/p\u003e","status":"published","published":"2020-10-16T22:17:56Z","modified":"2024-08-04T13:45:34.679Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:58.787905Z"}],"euvd":[{"id":"EUVD-2020-8895","description":"\u003cp\u003eAn 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.\u003c/p\u003e\n\u003cp\u003eTo exploit the vulnerability, an authenticated attacker would need to run a specially crafted application.\u003c/p\u003e\n\u003cp\u003eThe update addresses the vulnerability by correcting how the .NET Framework handles objects in memory.\u003c/p\u003e","status":"published","published":"2020-10-16T22:17:56Z","modified":"2024-08-04T13:45:34Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-03T03:07:28.222143Z"}],"ghsa":[{"id":"GHSA-rc5w-jj6x-53wj","title":"An information disclosure vulnerability exists when the .NET Framework improperly handles objects...","description":"An information disclosure vulnerability exists when the .NET Framework improperly handles objects in memory, aka '.NET Framework Information Disclosure Vulnerability'.","status":"published","published":"2022-05-24T17:30:58Z","modified":"2023-12-31T21:30:24Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:55:18.712206Z"}],"nvd":[{"id":"CVE-2020-16937","description":"\u003cp\u003eAn 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.\u003c/p\u003e\n\u003cp\u003eTo exploit the vulnerability, an authenticated attacker would need to run a specially crafted application.\u003c/p\u003e\n\u003cp\u003eThe update addresses the vulnerability by correcting how the .NET Framework handles objects in memory.\u003c/p\u003e","status":"published","published":"2020-10-16T23:15:15.57Z","modified":"2026-06-17T02:58:18.643Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:19.351389Z"}]}}