CVE-2020-0787
Summary
| CVE | CVE-2020-0787 |
|---|---|
| State | PUBLISHED |
| Assigner | microsoft |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2020-03-12 16:15:15 UTC |
| Updated | 2026-08-12 05:17:28 UTC |
| Description | An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) improperly handles symbolic links, aka 'Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability'. |
Risk And Classification
Primary CVSS: v3.1 7.8 HIGH from [email protected]
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 0.425240000 probability, percentile 0.985840000 (date 2026-08-13)
CISA KEV: Listed on 2022-01-28; due 2022-07-28; ransomware use Known
Problem Types: CWE-59 | Elevation of Privilege | CWE-59 CWE-59 Improper Link Resolution Before File Access ('Link Following')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 3.1 | ADP | DECLARED | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 2.0 | [email protected] | Primary | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
LowAuthentication
NoneConfidentiality
CompleteIntegrity
CompleteAvailability
CompleteAV:L/AC:L/Au:N/C:C/I:C/A:C
CISA Known Exploited Vulnerability
| Vendor | Microsoft |
|---|---|
| Product | Windows |
| Name | Microsoft Windows Background Intelligent Transfer Service (BITS) Improper Privilege Management Vulnerability |
| Required Action | Apply updates per vendor instructions. |
| Notes | https://nvd.nist.gov/vuln/detail/CVE-2020-0787 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Microsoft | Windows 10 1507 | - | All | All | All |
| Operating System | Microsoft | Windows 10 1607 | - | All | All | All |
| Operating System | Microsoft | Windows 10 1709 | - | All | All | All |
| Operating System | Microsoft | Windows 10 1803 | - | All | All | All |
| Operating System | Microsoft | Windows 10 1809 | - | All | All | All |
| Operating System | Microsoft | Windows 10 1903 | - | All | All | All |
| Operating System | Microsoft | Windows 10 1909 | - | All | All | All |
| Operating System | Microsoft | Windows 7 | - | sp1 | All | All |
| Operating System | Microsoft | Windows 8.1 | - | All | All | All |
| Operating System | Microsoft | Windows Rt 8.1 | - | All | All | All |
| Operating System | Microsoft | Windows Server 1803 | - | All | All | All |
| Operating System | Microsoft | Windows Server 1903 | - | All | All | All |
| Operating System | Microsoft | Windows Server 1909 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2008 | - | sp2 | All | All |
| Operating System | Microsoft | Windows Server 2008 | r2 | sp1 | All | All |
| Operating System | Microsoft | Windows Server 2012 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2012 | r2 | All | All | All |
| Operating System | Microsoft | Windows Server 2016 | - | All | All | All |
| Operating System | Microsoft | Windows Server 2019 | - | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Microsoft | Windows | affected 10 Version 1803 for 32-bit Systems | Not specified |
| CNA | Microsoft | Windows | affected 10 Version 1803 for x64-based Systems | Not specified |
| CNA | Microsoft | Windows | affected 10 Version 1803 for ARM64-based Systems | Not specified |
| CNA | Microsoft | Windows | affected 10 Version 1809 for 32-bit Systems | Not specified |
| CNA | Microsoft | Windows | affected 10 Version 1809 for x64-based Systems | Not specified |
| CNA | Microsoft | Windows | affected 10 Version 1809 for ARM64-based Systems | Not specified |
| CNA | Microsoft | Windows | affected 10 Version 1709 for 32-bit Systems | Not specified |
| CNA | Microsoft | Windows | affected 10 Version 1709 for x64-based Systems | Not specified |
| CNA | Microsoft | Windows | affected 10 Version 1709 for ARM64-based Systems | Not specified |
| CNA | Microsoft | Windows | affected 10 for 32-bit Systems | Not specified |
| CNA | Microsoft | Windows | affected 10 for x64-based Systems | Not specified |
| CNA | Microsoft | Windows | affected 10 Version 1607 for 32-bit Systems | Not specified |
| CNA | Microsoft | Windows | affected 10 Version 1607 for x64-based Systems | Not specified |
| CNA | Microsoft | Windows | affected 7 for 32-bit Systems Service Pack 1 | Not specified |
| CNA | Microsoft | Windows | affected 7 for x64-based Systems Service Pack 1 | Not specified |
| CNA | Microsoft | Windows | affected 8.1 for 32-bit systems | Not specified |
| CNA | Microsoft | Windows | affected 8.1 for x64-based systems | Not specified |
| CNA | Microsoft | Windows | affected RT 8.1 | Not specified |
| CNA | Microsoft | Windows Server | affected version 1803 (Core Installation) | Not specified |
| CNA | Microsoft | Windows Server | affected 2019 | Not specified |
| CNA | Microsoft | Windows Server | affected 2019 (Core installation) | Not specified |
| CNA | Microsoft | Windows Server | affected 2016 | Not specified |
| CNA | Microsoft | Windows Server | affected 2016 (Core installation) | Not specified |
| CNA | Microsoft | Windows Server | affected 2008 for 32-bit Systems Service Pack 2 | Not specified |
| CNA | Microsoft | Windows Server | affected 2008 for 32-bit Systems Service Pack 2 (Core installation) | Not specified |
| CNA | Microsoft | Windows Server | affected 2008 for Itanium-Based Systems Service Pack 2 | Not specified |
| CNA | Microsoft | Windows Server | affected 2008 for x64-based Systems Service Pack 2 | Not specified |
| CNA | Microsoft | Windows Server | affected 2008 for x64-based Systems Service Pack 2 (Core installation) | Not specified |
| CNA | Microsoft | Windows Server | affected 2008 R2 for Itanium-Based Systems Service Pack 1 | Not specified |
| CNA | Microsoft | Windows Server | affected 2008 R2 for x64-based Systems Service Pack 1 | Not specified |
| CNA | Microsoft | Windows Server | affected 2008 R2 for x64-based Systems Service Pack 1 (Core installation) | Not specified |
| CNA | Microsoft | Windows Server | affected 2012 | Not specified |
| CNA | Microsoft | Windows Server | affected 2012 (Core installation) | Not specified |
| CNA | Microsoft | Windows Server | affected 2012 R2 | Not specified |
| CNA | Microsoft | Windows Server | affected 2012 R2 (Core installation) | Not specified |
| CNA | Microsoft | Windows 10 Version 1909 For 32-bit Systems | affected unspecified | Not specified |
| CNA | Microsoft | Windows 10 Version 1909 For X64-based Systems | affected unspecified | Not specified |
| CNA | Microsoft | Windows 10 Version 1909 For ARM64-based Systems | affected unspecified | Not specified |
| CNA | Microsoft | Windows Server Version 1909 Server Core Installation | affected unspecified | Not specified |
| CNA | Microsoft | Windows 10 Version 1903 For 32-bit Systems | affected unspecified | Not specified |
| CNA | Microsoft | Windows 10 Version 1903 For X64-based Systems | affected unspecified | Not specified |
| CNA | Microsoft | Windows 10 Version 1903 For ARM64-based Systems | affected unspecified | Not specified |
| CNA | Microsoft | Windows Server Version 1903 Server Core Installation | affected unspecified | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Background Intelligent Transfer Service Privilege Escalation ≈ Packet Storm | af854a3a-2127-422b-91ae-364da2661108 | packetstormsecurity.com | Exploit, Third Party Advisory, VDB Entry |
| www.cisa.gov/known-exploited-vulnerabilities-catalog | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | www.cisa.gov | US Government Resource |
| Security Update Guide - Microsoft Security Response Center | af854a3a-2127-422b-91ae-364da2661108 | portal.msrc.microsoft.com | Patch, Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| ADP | 2022-01-28T00:00:00.000Z | CVE-2020-0787 added to CISA KEV |
There are currently no legacy QID mappings associated with this CVE.