Vulnerability identifier: #VU50399

Vulnerability risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-24113

CWE-ID: CWE-254

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Edge
Client/Desktop applications / Web browsers

Vendor: Microsoft

Description

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

The vulnerability exists due to Microsoft Edge allows JavaScript to be executed in URL when copying then pasting it in the Edge browser. A remote attacker can trick the victim to copy and paste a specially crafted URL and execute arbitrary JavaScript code in victim's browser.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Edge: 88.0.705.50, 84.0.522.40, 83.0.478.37, 79.0.309.71

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24113

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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