Is CVE-2018-11712 in the CISA KEV catalog?

No. CVE-2018-11712 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-11712?

CVE-2018-11712 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2018-11712?

CVE-2018-11712 has an EPSS score of 1.18% (64th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-11712?

Upgrade webkit2gtk on debian 11 to 2.20.2-1 or later.

CVE & CISA-KEV Catalog

CVE-2018-11712

HIGH

7.5

CVSS v3

NVD

Description

WebCore/platform/network/soup/SocketStreamHandleImplSoup.cpp in the libsoup network backend of WebKit, as used in WebKitGTK+ versions 2.20.0 and 2.20.1, failed to perform TLS certificate verification for WebSocket connections.

CWE-295Improper Certificate Validation

How to fix

Remediation Available

webkit2gtkDebian

Fixed in:2.20.2-1CVE-2018-11712

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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

1.18%probability of exploitation in 30 days

64thpercentile

Moderate risk: more likely to be exploited than 64% of all known CVEs.

References

Patch2

Other references1

security.gentoo.org

Related Vulnerabilities

Other CWE-295 (Improper Certificate Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-4000	Low	3.7	100%	-	Fix
CVE-2020-0601	High	8.1	89%	KEV	Fix
CVE-2009-3555	Critical	9.8	87%	-	Fix
CVE-2022-26923	High	8.8	83%	KEV	Fix
CVE-2023-27823	Critical	9.8	53%	-	-
CVE-2022-42979	High	8.8	24%	-	-

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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.