CVE-2021-30983
Apple iOS and iPadOS Buffer Overflow Vulnerability
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run iOS and iPadOS, fix it now.
CISA required action: Apply updates per vendor instructions.
US federal civilian agencies must remediate by Jul 18, 2022.
Patch status
No official fix confirmed yet
Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.
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.
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
Affected products
| Product | Vendor | Affected versions | Fixed in | Source |
|---|---|---|---|---|
| iOS and iPadOS | Apple | — | — | KEV |
| iOS & iPadOS | Apple | < 15.2 | 15.2 | NVD |
Sources: KEV = CISA Known Exploited Vulnerabilities catalog; NVD = NIST National Vulnerability Database.
Intelligence timeline
Developments from the last 30 days, newest first.
- CVSS scoredUpdateKEV
CVE-2021-30983 scored CVSS 7.8: Apple iOS and iPadOS, Apple iOS and iPadOS Buffer Overflow Vulnerability
CISA lists this as exploited in the wild. Unpatched iOS and iPadOS systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
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Coverage
We have not published a story about this vulnerability yet.