Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-21220 |
CWE-ID | CWE-190 |
Exploitation vector | Network |
Public exploit | Vulnerability #1 is being exploited in the wild. |
Vulnerable software Subscribe |
Microsoft Edge Client/Desktop applications / Web browsers |
Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 1 vulnerabilities.
Updated: 15.04.2021
Changed bulletin status to patched.
EUVDB-ID: #VU52059
Risk: Medium
CVSSv3.1: 7.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: CVE-2021-21220
CWE-ID:
CWE-190 - Integer overflow
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in V8 engine in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger integer overflow and execute arbitrary code on the target system.
Note, successful exploitation of this vulnerability may result in complete compromise of vulnerable system but requires additional vulnerability to escape browser's sandbox.
Install update from vendor's website.
Vulnerable software versionsMicrosoft Edge: 79.0.309.71 - 89.0.774.76
External linkshttp://twitter.com/r4j0x00
http://github.com/r4j0x00/exploits/tree/master/chrome-0day
http://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html
http://crbug.com/1196683
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21220
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?
Yes. This vulnerability is being exploited in the wild.