CVE-2020-3891
LOWCVSS 2.4/10EPSS 0.30%
Last modified
CVE-2020-3891 is a low-severity vulnerability rated 2.4/10 on the CVSS scale. A logic issue was addressed with improved state management. This issue is fixed in iOS 13.4 and iPadOS 13.4, watchOS 6.2. EPSS estimates a 0.30% chance of exploitation in the next 30 days.
Description
A logic issue was addressed with improved state management. This issue is fixed in iOS 13.4 and iPadOS 13.4, watchOS 6.2. A person with physical access to a locked iOS device may be able to respond to messages even when replies are disabled.
Metrics
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipad Os | < 13.4 |
| Apple | Iphone Os | < 13.4 |
| Apple | Watchos | < 6.2 |
References
- https://support.apple.com/HT211102Release Notes, Vendor Advisory
- https://support.apple.com/HT211103Release Notes, Vendor Advisory
- https://support.apple.com/HT211102Release Notes, Vendor Advisory
- https://support.apple.com/HT211103Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-3891?
A logic issue was addressed with improved state management. This issue is fixed in iOS 13.4 and iPadOS 13.4, watchOS 6.2. A person with physical access to a locked iOS device may be able to respond to messages even when replies are disabled.
How severe is CVE-2020-3891?
CVE-2020-3891 has a CVSS score of 2.4/10 (LOW severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.
How do I fix CVE-2020-3891?
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.
Are you affected by CVE-2020-3891?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST