CVE-2018-4240 EXPLOIT
6.5
MEDIUM · CVSS 3.0 · EPSS 6.9% (pctl 94)
Patch early
A public exploit exists.
Description
An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "Messages" component. It allows remote attackers to cause a denial of service via a crafted message.
Scoring
| CVSS | 6.5 (MEDIUM, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| EPSS | 6.91% — more likely to be exploited than 94% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2018-06-08 |
| Last modified | 2026-06-17 |
Affected (4)
| Vendor | Product |
|---|---|
| apple | iphone os |
| apple | mac os x |
| apple | tvos |
| apple | watchos |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Apple macOS 10.13.4 - Denial of Service (PoC) | 2018-09-12 |
References
- http://www.securitytracker.com/id/1041027
- https://support.apple.com/HT208848
- https://support.apple.com/HT208849
- https://support.apple.com/HT208850
- https://support.apple.com/HT208851
- https://www.exploit-db.com/exploits/45391/
- http://www.securitytracker.com/id/1041027
- https://support.apple.com/HT208848
- https://support.apple.com/HT208849
- https://support.apple.com/HT208850
- https://support.apple.com/HT208851
- https://www.exploit-db.com/exploits/45391/
→ the Explorer · watch your stack · NVD