Security restrictions bypass in Microsoft Edge



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-38669
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Microsoft Edge
Client/Desktop applications / Web browsers

Vendor Microsoft

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU56437

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-38669

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to unspecified issue. A remote attacker can tamper with information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft Edge: 79.0.309.71 - 93.0.961.38

CPE2.3 External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38669


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

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



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