CVE-2021-21142
CRITICALCVSS 9.6/10EPSS 1.11%
Last modified
CVE-2021-21142 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. Use after free in Payments in Google Chrome on Mac prior to 88.0.4324.146 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.. EPSS estimates a 1.11% chance of exploitation in the next 30 days.
Description
Use after free in Payments in Google Chrome on Mac prior to 88.0.4324.146 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 88.0.4324.146 | |
| Fedoraproject | Fedora | 32 |
| Fedoraproject | Fedora | 33 |
References
- https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1169317Permissions Required
- https://security.gentoo.org/glsa/202104-08Third Party Advisory
- https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1169317Permissions Required
- https://security.gentoo.org/glsa/202104-08Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-21142?
Use after free in Payments in Google Chrome on Mac prior to 88.0.4324.146 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.
How severe is CVE-2021-21142?
CVE-2021-21142 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21142?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-21142?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST