7.8
HIGH
CVSS 3.1
CVE-2020-17055
Windows Remote Access Elevation of Privilege Vulnerability
Overview
Description
Windows Remote Access Elevation of Privilege Vulnerability
Details
INFO
Published Date :
Nov. 11, 2020, 7:15 a.m.
Last Modified :
June 17, 2026, 2:58 a.m.
Remotely Exploit :
No
Source :
[email protected]
Impact
Affected Products
The following products are affected by CVE-2020-17055
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework
for assessing the severity of vulnerabilities in software and systems.
We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
The Remote Access service on affected Windows systems is vulnerable to an elevation of privilege, requiring an update to address the issue.
- Apply the latest available security updates.
- Reboot the system if prompted.
References
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-17055.
| URL | Resource |
|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17055 | Patch Vendor Advisory |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17055 | Patch Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-17055 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-17055
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-17055 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-17055 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:o:microsoft:windows_10_20H2:*:*:*:*:*:*:x86:*', 'cpe:2.3:o:microsoft:windows_10_20H2:*:*:*:*:*:*:arm64:*'], 'vendor': 'Microsoft', 'product': 'Windows 10 Version 20H2', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['32-bit Systems', 'ARM64-based Systems']}, {'cpes': ['cpe:2.3:o:microsoft:windows_server_20H2:*:*:*:*:*:*:*:*'], 'vendor': 'Microsoft', 'product': 'Windows Server version 20H2', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'cpes': ['cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*', 'cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:x64:*', 'cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:arm64:*'], 'vendor': 'Microsoft', 'product': 'Windows 10 Version 1803', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['32-bit Systems', 'x64-based Systems', 'ARM64-based Systems']}, {'cpes': ['cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*', 'cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*', 'cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:arm64:*'], 'vendor': 'Microsoft', 'product': 'Windows 10 Version 1809', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['32-bit Systems', 'x64-based Systems', 'ARM64-based Systems']}, {'cpes': ['cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*'], 'vendor': 'Microsoft', 'product': 'Windows Server 2019', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'cpes': ['cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*'], 'vendor': 'Microsoft', 'product': 'Windows Server 2019 (Server Core installation)', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'cpes': ['cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x86:*', 'cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x64:*', 'cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*'], 'vendor': 'Microsoft', 'product': 'Windows 10 Version 1909', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['32-bit Systems', 'x64-based Systems', 'ARM64-based Systems']}, {'cpes': ['cpe:2.3:o:microsoft:windows_server_1909:*:*:*:*:*:*:*:*'], 'vendor': 'Microsoft', 'product': 'Windows Server, version 1909 (Server Core installation)', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'cpes': ['cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*'], 'vendor': 'Microsoft', 'product': 'Windows 10 Version 1903 for 32-bit Systems', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['Unknown']}, {'cpes': ['cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*'], 'vendor': 'Microsoft', 'product': 'Windows 10 Version 1903 for x64-based Systems', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['Unknown']}, {'cpes': ['cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*'], 'vendor': 'Microsoft', 'product': 'Windows 10 Version 1903 for ARM64-based Systems', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['Unknown']}, {'cpes': ['cpe:2.3:o:microsoft:windows_server_1903:*:*:*:*:*:*:*:*'], 'vendor': 'Microsoft', 'product': 'Windows Server, version 1903 (Server Core installation)', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'cpes': ['cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*'], 'vendor': 'Microsoft', 'product': 'Windows 10 Version 2004', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['32-bit Systems', 'ARM64-based Systems', 'x64-based Systems']}, {'cpes': ['cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*'], 'vendor': 'Microsoft', 'product': 'Windows Server version 2004', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'cpes': ['cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*', 'cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*'], 'vendor': 'Microsoft', 'product': 'Windows 10 Version 1507', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['32-bit Systems', 'x64-based Systems']}, {'cpes': ['cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*', 'cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*'], 'vendor': 'Microsoft', 'product': 'Windows 10 Version 1607', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['32-bit Systems', 'x64-based Systems']}, {'cpes': ['cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*'], 'vendor': 'Microsoft', 'product': 'Windows Server 2016', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'cpes': ['cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*'], 'vendor': 'Microsoft', 'product': 'Windows Server 2016 (Server Core installation)', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'cpes': ['cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:x86:*', 'cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:x64:*', 'cpe:2.3:o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:*'], 'vendor': 'Microsoft', 'product': 'Windows 8.1', 'versions': [{'status': 'affected', 'version': '6.3.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['32-bit Systems', 'x64-based Systems', 'ARM64-based Systems']}, {'cpes': ['cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*'], 'vendor': 'Microsoft', 'product': 'Windows Server 2012 R2', 'versions': [{'status': 'affected', 'version': '6.3.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'cpes': ['cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*'], 'vendor': 'Microsoft', 'product': 'Windows Server 2012 R2 (Server Core installation)', 'versions': [{'status': 'affected', 'version': '6.3.0', 'lessThan': 'publication', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}] -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17055 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Dec. 31, 2023
Action Type Old Value New Value Changed Description Windows Remote Access Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2020-17025, CVE-2020-17026, CVE-2020-17027, CVE-2020-17028, CVE-2020-17031, CVE-2020-17032, CVE-2020-17033, CVE-2020-17034, CVE-2020-17043, CVE-2020-17044. Windows Remote Access Elevation of Privilege Vulnerability Added CVSS V3.1 Microsoft Corporation AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H -
CWE Remap by [email protected]
Jul. 21, 2021
Action Type Old Value New Value Changed CWE CWE-269 NVD-CWE-noinfo -
Initial Analysis by [email protected]
Nov. 13, 2020
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17055 No Types Assigned https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17055 Patch, Vendor Advisory Added CWE NIST CWE-269 Added CPE Configuration OR *cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 12, 2020
Action Type Old Value New Value Changed Description , aka 'Windows Remote Access Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-17025, CVE-2020-17026, CVE-2020-17027, CVE-2020-17028, CVE-2020-17031, CVE-2020-17032, CVE-2020-17033, CVE-2020-17034, CVE-2020-17043, CVE-2020-17044. Windows Remote Access Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2020-17025, CVE-2020-17026, CVE-2020-17027, CVE-2020-17028, CVE-2020-17031, CVE-2020-17032, CVE-2020-17033, CVE-2020-17034, CVE-2020-17043, CVE-2020-17044.
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.