CVE-2020-1255

At a glance

Severity: Not available
EPSS: EPSS 3.37 % · percentile 89 (2026-10-27)
State: PUBLISHED
Published: 2020-06-09
Updated: 2024-08-04
Assigner: microsoft
NVD status: Modified

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'.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)
CVSS 2.0	MEDIUM 6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P	NVD · nvd@nist.gov (Primary)

European references

ENISA EUVD · EUVD-2020-12134
GCVE · GCVE-0-2020-1255

CERT-FR advisories

CERTFR-2020-AVI-362 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
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_7:-:sp1:*:*:*:*:*:*
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_2008:r2:sp1:*:*:*:*:itanium:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*
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:-:*:*:*:*:*:*:*

Affected products

Product	Versions
Microsoft · Windows 10 Version 2004 for 32-bit Systems	affected unspecified
Microsoft · Windows 10 Version 2004 for ARM64-based Systems	affected unspecified
Microsoft · Windows Server, version 2004 (Server Core installation)	affected unspecified
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
Microsoft · Windows Server	affected version 1803 (Core Installation) ; affected 2019 ; affected 2019 (Core installation) ; affected 2016 ; affected 2016 (Core installation) ; affected 2008 for 32-bit Systems Service Pack 2
Microsoft · Windows 10 Version 1909 for 32-bit Systems	affected unspecified
Microsoft · Windows 10 Version 1909 for x64-based Systems	affected unspecified
Microsoft · Windows 10 Version 1909 for ARM64-based Systems	affected unspecified
Microsoft · Windows Server, version 1909 (Server Core installation)	affected unspecified
Microsoft · Windows 10 Version 1903 for 32-bit Systems	affected unspecified
Microsoft · Windows 10 Version 1903 for x64-based Systems	affected unspecified
Microsoft · Windows 10 Version 1903 for ARM64-based Systems	affected unspecified
Microsoft · Windows Server, version 1903 (Server Core installation)	affected unspecified
Microsoft · Windows 10 Version 2004 for x64-based Systems	affected unspecified

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1255

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD