VulnerabilityModified
CVE-2021-30698
A remote attacker may be able to cause a denial of service.
HIGH 7.5EPSS 2.18%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A null pointer dereference was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, Safari 14.1.1, iOS 14.6 and iPadOS 14.6. A remote attacker may be able to cause a denial of service.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.18% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- apple/safari · apple/ipados · apple/iphone os · apple/macos
- Source
- product-security@apple.com
References
- https://support.apple.com/en-us/HT212528Vendor Advisory
- https://support.apple.com/en-us/HT212529Vendor Advisory
- https://support.apple.com/en-us/HT212534Vendor Advisory
- https://support.apple.com/en-us/HT212528Vendor Advisory
- https://support.apple.com/en-us/HT212529Vendor Advisory
- https://support.apple.com/en-us/HT212534Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.