Is CVE-2020-14344 in the CISA KEV catalog?

No. CVE-2020-14344 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-14344?

CVE-2020-14344 has a CVSS v3 base score of 6.7 (MEDIUM).

What is the EPSS score for CVE-2020-14344?

CVE-2020-14344 has an EPSS score of 0.46% (37th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-14344?

Upgrade libx11 on debian 11 to 2:1.6.10-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2020-14344

MEDIUM

6.7

CVSS v3

NVD

Description

An integer overflow leading to a heap-buffer overflow was found in The X Input Method (XIM) client was implemented in libX11 before version 1.6.10. As per upstream this is security relevant when setuid programs call XIM client functions while running with elevated privileges. No such programs are shipped with Red Hat Enterprise Linux.

CWE-190Integer Overflow

How to fix

Remediation Available

libx11Debian

Fixed in:2:1.6.10-1CVE-2020-14344

libx11Ubuntu

Fixed in:2:1.6.2-1ubuntu2.1+esm1USN-4487-2

Fixed in:2:1.6.3-1ubuntu2.2USN-4487-1

Fixed in:2:1.6.4-3ubuntu0.3USN-4487-1

Fixed in:2:1.6.9-2ubuntu1.1USN-4487-1

libx11-6Ubuntu

Fixed in:2:1.6.2-1ubuntu2.1+esm1USN-4487-2

Fixed in:2:1.6.3-1ubuntu2.2USN-4487-1

Fixed in:2:1.6.4-3ubuntu0.3USN-4487-1

Fixed in:2:1.6.9-2ubuntu1.1USN-4487-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.46%probability of exploitation in 30 days

37thpercentile

Low risk: more likely to be exploited than 37% of all known CVEs.

References

Patch3

Third-Party Advisory7

Other references3

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	Fix

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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.