Is CVE-2020-3899 in the CISA KEV catalog?

No. CVE-2020-3899 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-3899?

CVE-2020-3899 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2020-3899?

CVE-2020-3899 has an EPSS score of 4.02% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-3899?

Upgrade webkit2gtk on debian 11 to 2.28.2-1 or later. Fixes are available for 7 affected products.

CVE & CISA-KEV Catalog

CVE-2020-3899

HIGHEPSS 89th pctl

8.8

CVSS v3

NVD

Description

A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.4 and iPadOS 13.4, tvOS 13.4, watchOS 6.2, Safari 13.1, iTunes for Windows 12.10.5, iCloud for Windows 10.9.3, iCloud for Windows 7.18. A remote attacker may be able to cause arbitrary code execution.

How to fix

Remediation Available

webkit2gtkDebian

Fixed in:2.28.2-1CVE-2020-3899

libjavascriptcoregtk-4.0-18Ubuntu

Fixed in:2.28.2-0ubuntu0.18.04.1USN-4347-1

Fixed in:2.28.2-0ubuntu0.20.04.1USN-4347-1

libwebkit2gtk-4.0-37Ubuntu

Fixed in:2.28.2-0ubuntu0.18.04.1USN-4347-1

Fixed in:2.28.2-0ubuntu0.20.04.1USN-4347-1

webkit2gtkUbuntu

Fixed in:2.28.2-0ubuntu0.18.04.1USN-4347-1

Fixed in:2.28.2-0ubuntu0.20.04.1USN-4347-1

SafariWindows application

Affected:13.1Fixed in:13.1Apple Inc.

iCloud (Legacy)Windows application

Affected:7.18Fixed in:7.18Apple Inc.

Affected:10.0.0 10.9.3Fixed in:10.9.3Apple Inc.

iTunesWindows application

Affected:12.10.5Fixed in:12.10.5Apple Inc.

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

4.02%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Vendor Advisory6

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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.