CVE-2021-30883

criticalknown exploitedcovered by 1 sourcefirst seen 2022-05-23

Actively exploited. CVE-2021-30883 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-23) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.

Apple iOS, macOS, watchOS, and tvOS contain a memory corruption vulnerability that could allow for remote code execution.

CSIRTS triage

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.

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Exploitation outlook

Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 96% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalexploitedCVE-2021-30883: Apple Multiple Products Memory Corruption Vulnerabilitycisa-kev · 2022-05-23

External references

NVD record for CVE-2021-30883

CVE.org record

CISA KEV catalog

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