CVE-2021-30903

HIGHCVSS 7.8/10EPSS 0.35%

Last modified

CVE-2021-30903 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. This issue was addressed with improved checks. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

This issue was addressed with improved checks. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1. A local attacker may be able to cause unexpected application termination or arbitrary code execution.

Metrics

CVSS 3.1
7.8/10

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

EPSS Probability
0.35%

26.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
AppleIpad Os< 14.8.1
AppleIpados15.0
AppleIphone Os< 14.8.1
AppleIphone Os15.0
AppleMac Os X>= 10.15, < 10.15.7
AppleMac Os X10.15.7
AppleMacos<= 12.0.0
AppleTvos< 15.1
AppleWatchos< 8.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-30903?
This issue was addressed with improved checks. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1. A local attacker may be able to cause unexpected application termination or arbitrary code execution.
How severe is CVE-2021-30903?
CVE-2021-30903 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.
How do I fix CVE-2021-30903?
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-2021-30903?

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

Scan your code now

Source: NVD / NIST