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Vulnerabilities / CVE-2021-30952

CVE-2021-30952

Published 2021-08-24 · published (not yet in NVD)

CVE-2021-30952

Exploited in the wild: CISA added it to the Known Exploited Vulnerabilities catalog on 2026-03-05, with a fix-by date of 2026-03-26. Patch it first.

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

8.8 HIGH
CVSS 3.1 · CNA
7.0%
chance of exploitation in the next 30 days (EPSS; higher than 94% of CVEs)

An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.

Scores

Affected products

  • Apple watchOS: unspecified to < 8.3
  • Apple iOS and iPadOS: unspecified to < 15.2
  • Apple macOS: unspecified to < 12.1
  • Apple macOS: unspecified to < 15.2
  • Apple macOS: unspecified to < 15.2
10 references (advisories, patches, write-ups)

Sources: CVE.org, OSV.dev, FIRST EPSS. Missing ones did not answer or have no record yet.

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