|Number of vulnerabilities||1|
|CVE ID|| CVE-2021-21206
|CWE ID|| CWE-416
|Public exploit||Public exploit code for vulnerability #1 is available.|
Microsoft Edge (Chromium-based)
Client/Desktop applications / Web browsers
This security advisory describes one high risk vulnerability.
CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C] [PCI]
CWE-416 - Use After Free
Exploit availability: NoDescription
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in Blink in Google Chrome. A remote attacker can trick the victim to visit a specially crafted web page, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.Mitigation
Install updates from Microsoft website.Vulnerable software versions
Microsoft Edge (Chromium-based): 79.0.309.71, 83.0.478.37, 84.0.522.40, 88.0.705.50, 88.0.705.62, 88.0.705.74, 89.0.774.45, 89.0.774.54, 89.0.774.68, 89.0.774.76CPE
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. However, proof of concept for this vulnerability is available.