Vulnerability · Published Sep 8, 2021 · Assigned by apple
CVE-2021-30785
High 7.8
In plain English
A high-severity security flaw in iOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 79% of all known vulnerabilities).
Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.8%top 20.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-004 Catalina. Processing a maliciously crafted image may lead to arbitrary code execution.
Affected products (as reported)
References
- https://support.apple.com/en-us/HT212601 x_refsource_MISC
- https://support.apple.com/en-us/HT212602 x_refsource_MISC
- https://support.apple.com/en-us/HT212605 x_refsource_MISC
- https://support.apple.com/en-us/HT212600 x_refsource_MISC
- https://support.apple.com/en-us/HT212604 x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-22-353/ x_refsource_MISC