CVE-2020-3891
A logic issue was addressed with improved state management. This issue is fixed in iOS 13.4 and...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-3891- CVSS 3.1
- 2.4 Low
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-3891- Updated
- 2026-11-02
EUVDEUVD-2020-25156 No score
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.
- Record
EUVD-2020-25156- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c887-fjhv-3qfj No score
A logic issue was addressed with improved state management. This issue is fixed in iOS 13.4 and...
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.
- Record
GHSA-c887-fjhv-3qfj- Weakness
- CWE-862
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-3891 is a low vulnerability (CVSS 2.4) in Apple Ios, published April 1, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 22nd percentile. No source names a fixed version.