Vulnerability · Published Sep 8, 2021 · Assigned by apple
CVE-2021-1884
Medium 5.9
In plain English
A medium-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 1.6% (higher than 76% of all known vulnerabilities).
Severity (CVSS NVD)5.9Medium
Exploit odds (30 days)1.6%top 23.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, Security Update 2021-003 Catalina, tvOS 14.5, macOS Big Sur 11.3. A remote attacker may be able to cause a denial of service.
Affected products (as reported)
References
- https://support.apple.com/en-us/HT212317 x_refsource_MISC
- https://support.apple.com/en-us/HT212323 x_refsource_MISC
- https://support.apple.com/en-us/HT212324 x_refsource_MISC
- https://support.apple.com/en-us/HT212530 x_refsource_MISC
- https://support.apple.com/en-us/HT212325 x_refsource_MISC
- https://support.apple.com/en-us/HT212531 x_refsource_MISC