Apple iOS/iPadOS up to 16.4.1 Kernel ColdInvite type confusion

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.5 | $5k-$25k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in Apple iOS and iPadOS up to 16.4.1. Affected by this vulnerability is an unknown functionality of the component Kernel. Executing a manipulation can lead to type confusion. The identification of this vulnerability is CVE-2023-27930. The attack can only be executed locally. There is no exploit available. You should upgrade the affected component.
Details
A vulnerability has been found in Apple iOS and iPadOS up to 16.4.1 (Smartphone Operating System) and classified as critical. This vulnerability affects some unknown functionality of the component Kernel. The manipulation with an unknown input leads to a type confusion vulnerability. The CWE definition for the vulnerability is CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was shared 05/18/2023 by 08Tc3wBB as HT213757 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2023-27930. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 11/27/2025). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:
An app may be able to execute arbitrary code with kernel privileges
Upgrading to version 16.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:
A type confusion issue was addressed with improved checks.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-31656). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.8VulDB Meta Temp Score: 7.5
VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Type confusionCWE: CWE-843
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: iOS/iPadOS 16.5
Timeline
03/08/2023 🔍05/18/2023 🔍
05/18/2023 🔍
05/20/2023 🔍
11/27/2025 🔍
Sources
Vendor: apple.comAdvisory: HT213757
Researcher: 08Tc3wBB
Status: Confirmed
CVE: CVE-2023-27930 (🔍)
GCVE (CVE): GCVE-0-2023-27930
GCVE (VulDB): GCVE-100-229504
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 05/20/2023 07:47Updated: 11/27/2025 20:44
Changes: 05/20/2023 07:47 (13), 05/20/2023 07:48 (6), 05/20/2023 07:51 (28), 05/23/2023 07:24 (1), 06/14/2023 20:46 (1), 11/27/2025 20:44 (16)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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