Is CVE-2020-3891 in the CISA KEV catalog?

No. CVE-2020-3891 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-3891?

CVE-2020-3891 has a CVSS v3 base score of 2.4 (LOW).

What is the EPSS score for CVE-2020-3891?

CVE-2020-3891 has an EPSS score of 0.30% (22th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-3891?

Upgrade ipad os to 13.4 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2020-3891

LOW

2.4

CVSS v3

NVD

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.

How to fix

Remediation Available

ipad osNVD

Affected:< 13.4Fixed in:13.4CVE-2020-3891derived from NVD

iphone osNVD

Affected:< 13.4Fixed in:13.4CVE-2020-3891derived from NVD

watchosNVD

Affected:< 6.2Fixed in:6.2CVE-2020-3891derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorPhysical

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Exploit Intelligence

0.30%probability of exploitation in 30 days

22ndpercentile

Low risk: more likely to be exploited than 22% of all known CVEs.

References

Vendor Advisory2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.