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'.
Published 2020-03-12 16:15:15
Updated 2022-07-12 17:42:04
View at NVD,   CVE.org
Vulnerability category: Gain privilege

CVE-2020-0787 is in the CISA Known Exploited Vulnerabilities Catalog

This issue is known to have been leveraged as part of a ransomware campaign.
CISA vulnerability name:
Microsoft Windows Background Intelligent Transfer Service (BITS) Improper Privilege Management Vulne
CISA required action:
Apply updates per vendor instructions.
CISA 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.
Added on 2022-01-28 Action due date 2022-07-28

Exploit prediction scoring system (EPSS) score for CVE-2020-0787

1.09%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 84 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2020-0787

  • Background Intelligent Transfer Service Arbitrary File Move Privilege Elevation Vulnerability
    Disclosure Date: 2020-03-10
    First seen: 2020-06-11
    exploit/windows/local/cve_2020_0787_bits_arbitrary_file_move
    This module exploits CVE-2020-0787, an arbitrary file move vulnerability in outdated versions of the Background Intelligent Transfer Service (BITS), to overwrite C:\Windows\System32\WindowsCoreDeviceInfo.dll with a malicious DLL containing the attacker's payload.

CVSS scores for CVE-2020-0787

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.2
HIGH AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
NIST
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
NIST

CWE ids for CVE-2020-0787

References for CVE-2020-0787

Products affected by CVE-2020-0787

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