CVE-2018-4381
MEDIUMCVSS 5.5/10EPSS 0.61%
Last modified
CVE-2018-4381 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A resource exhaustion issue was addressed with improved input validation. This issue is fixed in tvOS 12.1, iOS 12.1. EPSS estimates a 0.61% chance of exploitation in the next 30 days.
Description
A resource exhaustion issue was addressed with improved input validation. This issue is fixed in tvOS 12.1, iOS 12.1. Processing a maliciously crafted message may lead to a denial of service.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Iphone Os | < 12.1 |
| Apple | Tvos | < 12.1 |
References
- https://support.apple.com/en-us/HT209192Vendor Advisory
- https://support.apple.com/en-us/HT209194Vendor Advisory
- https://support.apple.com/en-us/HT209192Vendor Advisory
- https://support.apple.com/en-us/HT209194Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-4381?
A resource exhaustion issue was addressed with improved input validation. This issue is fixed in tvOS 12.1, iOS 12.1. Processing a maliciously crafted message may lead to a denial of service.
How severe is CVE-2018-4381?
CVE-2018-4381 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.
How do I fix CVE-2018-4381?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2018-4381?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST