CVE-2021-1863
LOWCVSS 2.4/10EPSS 0.29%
Last modified
CVE-2021-1863 is a low-severity vulnerability rated 2.4/10 on the CVSS scale. An issue existed with authenticating the action triggered by an NFC tag. The issue was addressed with improved action authentication. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
Description
An issue existed with authenticating the action triggered by an NFC tag. The issue was addressed with improved action authentication. This issue is fixed in iOS 14.5 and iPadOS 14.5. A person with physical access to an iOS device may be able to place phone calls to any phone number.
Metrics
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 14.5 |
| Apple | Iphone Os | < 14.5 |
References
- https://support.apple.com/en-us/HT212317Vendor Advisory
- https://support.apple.com/en-us/HT212317Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-1863?
An issue existed with authenticating the action triggered by an NFC tag. The issue was addressed with improved action authentication. This issue is fixed in iOS 14.5 and iPadOS 14.5. A person with physical access to an iOS device may be able to place phone calls to any phone number.
How severe is CVE-2021-1863?
CVE-2021-1863 has a CVSS score of 2.4/10 (LOW severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-2021-1863?
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-1863?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
