CVE-2021-30884

MEDIUMCVSS 4.7/10EPSS 1.11%

Last modified

CVE-2021-30884 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. The issue was resolved with additional restrictions on CSS compositing. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. EPSS estimates a 1.11% chance of exploitation in the next 30 days.

Description

The issue was resolved with additional restrictions on CSS compositing. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Visiting a maliciously crafted website may reveal a user's browsing history.

Metrics

CVSS 3.1
4.7/10

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

EPSS Probability
1.11%

61.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
AppleIpados< 15.0
AppleIphone Os< 15.0
AppleMacos< 12.0.1
AppleTvos< 15.0
AppleWatchos< 8.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-30884?
The issue was resolved with additional restrictions on CSS compositing. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Visiting a maliciously crafted website may reveal a user's browsing history.
How severe is CVE-2021-30884?
CVE-2021-30884 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.
How do I fix CVE-2021-30884?
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-2021-30884?

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

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Source: NVD / NIST