Vulnerability · Published Sep 8, 2021 · Assigned by apple
CVE-2021-30737
High 8.8
In plain English
A high-severity security flaw in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities).
Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.5%top 25.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A memory corruption issue in the ASN.1 decoder was addressed by removing the vulnerable code. This issue is fixed in tvOS 14.6, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, iOS 12.5.4, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted certificate may lead to arbitrary code execution.
Affected products (as reported)
References
- https://support.apple.com/en-us/HT212548 x_refsource_MISC
- https://support.apple.com/en-us/HT212528 x_refsource_MISC
- https://support.apple.com/en-us/HT212529 x_refsource_MISC
- https://support.apple.com/en-us/HT212532 x_refsource_MISC
- https://support.apple.com/en-us/HT212533 x_refsource_MISC
- https://support.apple.com/en-us/HT212530 x_refsource_MISC
- https://support.apple.com/en-us/HT212531 x_refsource_MISC