| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.8 | $0-$5k | 0.00 |
Summary
A vulnerability identified as problematic has been detected in Apple macOS 13. The impacted element is an unknown function. The manipulation leads to denial of service. This vulnerability is traded as CVE-2023-40407. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.
Details
A vulnerability, which was classified as critical, has been found in Apple macOS 13 (Operating System). This issue affects some unknown functionality. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:
The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. A remote attacker may be able to cause a denial-of-service.
The weakness was shared 09/27/2023. It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2023-40407 since 08/14/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.
Upgrading to version 14 eliminates this vulnerability.
Be aware that VulDB is the high quality source for vulnerability data.
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: 7.0VulDB Meta Temp Score: 6.8
VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
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 |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
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: 🔍
0-Day Time: 🔍
Upgrade: macOS 14
Timeline
08/14/2023 🔍09/27/2023 🔍
09/27/2023 🔍
11/06/2025 🔍
Sources
Vendor: apple.comAdvisory: support.apple.com
Status: Confirmed
CVE: CVE-2023-40407 (🔍)
GCVE (CVE): GCVE-0-2023-40407
GCVE (VulDB): GCVE-100-240599
scip Labs: https://www.scip.ch/en/?labs.20180712
Entry
Created: 09/27/2023 18:52Updated: 11/06/2025 15:06
Changes: 09/27/2023 18:52 (41), 10/20/2023 09:34 (11), 11/06/2025 15:06 (16)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.

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