VulnerabilityModified
CVE-2021-1780
An attacker in a privileged position may be able to perform a denial of service attack.
MEDIUM 4.4EPSS 0.26%
Does this matter?
Lower severity and a low EPSS score (0.26%). Track it; it rarely justifies an emergency change on its own.
Description
A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 14.4 and iPadOS 14.4. An attacker in a privileged position may be able to perform a denial of service attack.
- CVSS 3.1
- 4.4 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.26% probability · 17th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-665
- Affected
- apple/ipados · apple/iphone os
- Source
- product-security@apple.com
EPSS 0.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://support.apple.com/en-us/HT212146Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212146Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.