Spoofing attack in Microsoft PowerShell
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-43896 |
| CWE-ID | CWE-451 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
PowerShell Client/Desktop applications / Software for system administration |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Spoofing attack
EUVDB-ID: #VU58975
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-43896
CWE-ID:
CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data in Microsoft PowerShell. A local attacker can spoof page content.
MitigationInstall updates from vendor's website.
Vulnerable software versionsPowerShell: 7.2.0
CPE2.3 External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43896
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.
