Security restrictions bypass in Windows 10



Published: 2020-01-14
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-0621
CWE-ID CWE-254
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Security Features

EUVDB-ID: #VU24304

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0621

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

This vulnerability allows a local user to bypass security rescritions feature.

The vulnerability exists in Windows 10 when third party filters are called during a password update. A local administrator can make use of a blocked password for their account.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10, 10 1709, 10 1803, 10 1809

Windows Server: 2019, 2019 1803

CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0621

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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