CVE-2021-30528

HIGHCVSS 8.8/10EPSS 1.35%

Last modified

CVE-2021-30528 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Use after free in WebAuthentication in Google Chrome on Android prior to 91.0.4472.77 allowed a remote attacker who had compromised the renderer process of a user who had saved a credit card in their Google account to potentially exploit heap corruption via a crafted HTML page.. EPSS estimates a 1.35% chance of exploitation in the next 30 days.

Description

Use after free in WebAuthentication in Google Chrome on Android prior to 91.0.4472.77 allowed a remote attacker who had compromised the renderer process of a user who had saved a credit card in their Google account to potentially exploit heap corruption via a crafted HTML page.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability
1.35%

67.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GoogleChrome< 91.0.4472.77
FedoraprojectFedora33
FedoraprojectFedora34

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-30528?
Use after free in WebAuthentication in Google Chrome on Android prior to 91.0.4472.77 allowed a remote attacker who had compromised the renderer process of a user who had saved a credit card in their Google account to potentially exploit heap corruption via a crafted HTML page.
How severe is CVE-2021-30528?
CVE-2021-30528 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.35% probability of exploitation in the next 30 days.
How do I fix CVE-2021-30528?
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-2021-30528?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST