CVE-2020-0787 (GCVE-0-2020-0787)
Vulnerability from cvelistv5 – Published: 2020-03-12 15:48 – Updated: 2025-10-21 23:35
VLAI?
CISA KEV
EUVD KEV
Summary
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'.
Severity ?
7.8 (High)
CWE
- Elevation of Privilege
Assigner
References
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Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Windows |
Affected:
10 Version 1803 for 32-bit Systems
Affected: 10 Version 1803 for x64-based Systems Affected: 10 Version 1803 for ARM64-based Systems Affected: 10 Version 1809 for 32-bit Systems Affected: 10 Version 1809 for x64-based Systems Affected: 10 Version 1809 for ARM64-based Systems Affected: 10 Version 1709 for 32-bit Systems Affected: 10 Version 1709 for x64-based Systems Affected: 10 Version 1709 for ARM64-based Systems Affected: 10 for 32-bit Systems Affected: 10 for x64-based Systems Affected: 10 Version 1607 for 32-bit Systems Affected: 10 Version 1607 for x64-based Systems Affected: 7 for 32-bit Systems Service Pack 1 Affected: 7 for x64-based Systems Service Pack 1 Affected: 8.1 for 32-bit systems Affected: 8.1 for x64-based systems Affected: RT 8.1 |
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CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: c34a93a2-b769-43ce-9cc6-95a9ff332f9b
Exploited: Yes
Timestamps
First Seen: 2022-01-28
Asserted: 2022-01-28
Scope
Notes: KEV entry: Microsoft Windows Background Intelligent Transfer Service (BITS) Improper Privilege Management Vulnerability | Affected: Microsoft / Windows | Description: Microsoft Windows BITS is vulnerable to to a privilege elevation vulnerability if it improperly handles symbolic links. An actor can exploit this vulnerability to execute arbitrary code with system-level privileges. | Required action: Apply updates per vendor instructions. | Due date: 2022-07-28 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2020-0787
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-269 CWE-59 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | Windows |
| Due Date | 2022-07-28 |
| Date Added | 2022-01-28 |
| Vendorproject | Microsoft |
| Vulnerabilityname | Microsoft Windows Background Intelligent Transfer Service (BITS) Improper Privilege Management Vulnerability |
| Knownransomwarecampaignuse | Known |
References
Created: 2026-02-02 12:28 UTC
| Updated: 2026-02-06 07:17 UTC
EUVD KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: c0b7ff50-0a0e-4188-883b-7a8ed93231ee
Exploited: Yes
Timestamps
First Seen: 2025-01-23
Asserted: 2025-01-23
Scope
Notes: Affected: Microsoft / Windows BITS26 | Exploitation type: ransomware | Origin source: cnw
Evidence
Type: Csirt Report
Signal: Confirmed Compromise
Confidence: 75%
Source: enisa-cnw-kev
Details
| Cwes | - |
|---|---|
| Euvd | EUVD-2020-2274 |
| Notes | - |
| Catalog | ENISA / EU CSIRTs Network (CNW) KEV CSV |
| Product | Windows BITS26 |
| Datereported | 23/01/25 |
| Originsource | cnw |
| Vendorproject | Microsoft |
| Exploitationtype | ransomware |
| Vulnerabilityname | - |
| Threatactorsexploiting | - |
References
Created: 2026-02-02 12:25 UTC
| Updated: 2026-02-06 07:17 UTC
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}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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