Actively exploited · Published Aug 24, 2021 · Assigned by apple
CVE-2021-30983
High 7.8 Exploited
In plain English
A high-severity buffer overflow in iOS and iPadOS from Apple. Attackers are actively exploiting it in the wild (listed by CISA on June 27, 2022). The chance it is exploited in the next 30 days is estimated at 2.9% (higher than 87% of all known vulnerabilities). Apply updates per vendor instructions.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)2.9%top 12.9% of all CVEs
Exploited in the wildYesCISA KEV since Jun 27, 2022
Attack toolingNoneno public tooling known
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Jul 18, 2022.
Official description
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 15.2 and iPadOS 15.2. An application may be able to execute arbitrary code with kernel privileges.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apple | iOS and iPadOS | unspecified – before 15.2 |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- https://support.apple.com/en-us/HT212976 x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30983 government-resource