CVE-2021-30883
Apple Multiple Products Memory Corruption Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 13 June 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.0.2 and iPadOS 15.0.2, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 14.72% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 23 May 2022 · due 13 June 2022
- Weakness
- CWE-787
- Affected
- apple/ipados · apple/iphone os · apple/macos · apple/tvos · apple/watchos
- Source
- product-security@apple.com
EPSS 14.7% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2021-30883
References
- https://support.apple.com/en-us/HT212846Vendor Advisory
- https://support.apple.com/en-us/HT212868Vendor Advisory
- https://support.apple.com/en-us/HT212869Vendor Advisory
- https://support.apple.com/en-us/HT212872Vendor Advisory
- https://support.apple.com/en-us/HT212874Vendor Advisory
- https://support.apple.com/en-us/HT212876Vendor Advisory
- https://support.apple.com/en-us/HT212846Vendor Advisory
- https://support.apple.com/en-us/HT212868Vendor Advisory
- https://support.apple.com/en-us/HT212869Vendor Advisory
- https://support.apple.com/en-us/HT212872Vendor Advisory
- https://support.apple.com/en-us/HT212874Vendor Advisory
- https://support.apple.com/en-us/HT212876Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30883US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.