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CVE-2021-30883: Apple Multiple Products Memory Corruption Vulnerability

criticalknown exploitedCVE-2021-30883
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Apple iOS, macOS, watchOS, and tvOS contain a memory corruption vulnerability that could allow for remote code execution.

CSIRTS triage

vendor: AppleRemote code executionMemory corruption
What
Apple iOS, macOS, watchOS, and tvOS contain a memory corruption vulnerability that could allow for remote code execution.
Who is affected
Deployments of affected Apple products including iOS, macOS, watchOS, and tvOS.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update all affected Apple products to the latest versions.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-05-23
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-30883

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2021-30883coverage & exploitation statusNVD · CVE.org

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