CVE-2021-30800
This issue was addressed with improved checks. This issue is fixed in iOS 14.7. Joining a...
This issue was addressed with improved checks. This issue is fixed in iOS 14.7. Joining a malicious Wi-Fi network may result in a denial of service or arbitrary code execution.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
This issue was addressed with improved checks. This issue is fixed in iOS 14.7. Joining a malicious Wi-Fi network may result in a denial of service or arbitrary code execution.
- Record
CVE-2021-30800- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 5.8 Medium
AV:A/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE ListNo score
This issue was addressed with improved checks. This issue is fixed in iOS 14.7. Joining a malicious Wi-Fi network may result in a denial of service or arbitrary code execution.
- Record
CVE-2021-30800- Updated
- 2026-11-02
EUVDEUVD-2021-17717No score
This issue was addressed with improved checks. This issue is fixed in iOS 14.7. Joining a malicious Wi-Fi network may result in a denial of service or arbitrary code execution.
- Record
EUVD-2021-17717- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m24v-9xcf-xr26No score
This issue was addressed with improved checks. This issue is fixed in iOS 14.7. Joining a...
This issue was addressed with improved checks. This issue is fixed in iOS 14.7. Joining a malicious Wi-Fi network may result in a denial of service or arbitrary code execution.
- Record
GHSA-m24v-9xcf-xr26- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-30800 is a high vulnerability (CVSS 8.8) in Apple Ios, published September 8, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.65%, the 51st percentile. No source names a fixed version.