Is CVE-2020-3862 in the CISA KEV catalog?

No. CVE-2020-3862 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-3862?

CVE-2020-3862 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2020-3862?

CVE-2020-3862 has an EPSS score of 1.96% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-3862?

Upgrade webkit2gtk on debian 11 to 2.26.4-1 or later. Fixes are available for 7 affected products.

CVE & CISA-KEV Catalog

CVE-2020-3862

MEDIUMEPSS 78th pctl

6.5

CVSS v3

NVD

Description

A denial of service issue was addressed with improved memory handling. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, tvOS 13.3.1, Safari 13.0.5, iTunes for Windows 12.10.4, iCloud for Windows 11.0, iCloud for Windows 7.17. A malicious website may be able to cause a denial of service.

How to fix

Remediation Available

webkit2gtkDebian

Fixed in:2.26.4-1CVE-2020-3862

libjavascriptcoregtk-4.0-18Ubuntu

Fixed in:2.26.4-0ubuntu0.18.04.1USN-4281-1

libwebkit2gtk-4.0-37Ubuntu

Fixed in:2.26.4-0ubuntu0.18.04.1USN-4281-1

webkit2gtkUbuntu

Fixed in:2.26.4-0ubuntu0.18.04.1USN-4281-1

SafariWindows application

Affected:13.0.5Fixed in:13.0.5Apple Inc.

iCloud (Legacy)Windows application

Affected:7.17Fixed in:7.17Apple Inc.

iTunesWindows application

Affected:12.10.4Fixed in:12.10.4Apple 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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.96%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Patch1

lists.opensuse.org

Vendor Advisory2

Third-Party Advisory1

security.gentoo.org

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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.