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CVE-2020-9934: Apple iOS, iPadOS, and macOS Input Validation Vulnerability

criticalknown exploitedpublic exploitCVE-2020-9934
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, iPadOS, and macOS contain an unspecified vulnerability involving input validation which can allow a local attacker to view sensitive user information.

CSIRTS triage

vendor: Appleproduct: iOS, iPadOS, and macOSInformation disclosure
What
An unspecified input validation vulnerability in Apple iOS, iPadOS, and macOS can allow a local attacker to view sensitive user information.
Who is affected
Users of Apple iOS, iPadOS, and macOS.
Urgency
Remediation is critical due to active exploitation and the severity of information disclosure.
Action
Install the latest updates for iOS, iPadOS, and macOS.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-09-08
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2020-9934

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-2020-9934coverage & exploitation statusNVD · CVE.org

Recent advisories for Apple iOS

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CISA Known Exploited Vulnerabilities