Apple iOS and iPadOS: In certain situations, the baseband would fail to enable integrity…
Priority LOW 35Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A logic issue was addressed with improved state management. This issue is fixed in iOS 15 and iPadOS 15. In certain situations, the baseband would fail to enable integrity and ciphering protection.
Why it matters now
EPSS 0.01255 69th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 15
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apple | iOS and iPadOS | before 15 | 15 | Patch available | CNA |
- iOS and iPadOS VendorApple Affected before 15 Fixed in 15 Patch available CNA
Remediation
- Fix · CNA iOS and iPadOS (Apple) Fixed in 15
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple iOS and iPadOS 15
12 records Highest priority Priority MEDIUM 1 MEDIUM, 11 LOW
Other records, highest priority first
- TI-2021-11208 Apple Security Update - Catalina: Processing a maliciously crafted image may lead to…Priority MEDIUM 40
- TI-2021-11221 Out-of-bounds write in Apple iOS and iPadOSPriority LOW 38
- TI-2021-11220 Out-of-bounds write in Apple iOS and iPadOSPriority LOW 37
Timeline
- 2026-10-02 Threatist record created from CVE-2021-30826
- 2026-10-03 Alias added: GHSA-33hx-6698-q89r
References
More Apple Ipados vulnerabilities
- TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
- TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
- TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-30826 · CVE Program
- CVE-2021-30826 · NVD
- FIRST EPSS
- GHSA-33hx-6698-q89r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences