CVE-2020-1255 — Unrestricted File Upload in Microsoft Windows

CWE-434 — Unrestricted File Upload4 documents4 sources
Severity
8.8HIGHNVD
EPSS
17.3%
top 4.94%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
15
Microsoft WindowsMicrosoft Windows 10 Version 1903 FOR 32-bit SystemsMicrosoft Windows 10 Version 1903 FOR Arm64-based Systems+12 more
Timeline
PublishedJun 9
Latest updateMay 24

Description

An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) IIS module improperly handles uploaded content, aka 'Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability'.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages13 packages

▶CVEListV5microsoft/windows18 versions+17
▶NVDmicrosoft/windows5 versions+4

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-563q-vjx4-rj4q: An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) IIS module improperly handles uploaded↗2022-05-24
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CVEList
CVE-2020-1255: An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) IIS module improperly handles uploaded↗2020-06-09
▶

📋Vendor Advisories

1
Microsoft
Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability↗2020-06-09
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CVE-2020-1255 — Unrestricted File Upload in Microsoft | cvebase