Is CVE-2018-20786 in the CISA KEV catalog?

No. CVE-2018-20786 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-20786?

CVE-2018-20786 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2018-20786?

CVE-2018-20786 has an EPSS score of 2.97% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-20786?

Upgrade vim on ubuntu 14.04 to 2:7.4.052-1ubuntu3.1+esm1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2018-20786

HIGHEPSS 86th pctl

7.5

CVSS v3

NVD

Description

libvterm through 0+bzr726, as used in Vim and other products, mishandles certain out-of-memory conditions, leading to a denial of service (application crash), related to screen.c, state.c, and vterm.c.

CWE-476NULL Pointer Dereference

How to fix

Remediation Available

vimUbuntu

Fixed in:2:7.4.052-1ubuntu3.1+esm1USN-4309-1

Fixed in:2:7.4.1689-3ubuntu1.4USN-4309-1

Fixed in:2:8.0.1453-1ubuntu1.3USN-4309-1

vim-commonUbuntu

Fixed in:2:7.4.052-1ubuntu3.1+esm1USN-4309-1

Fixed in:2:7.4.1689-3ubuntu1.4USN-4309-1

Fixed in:2:8.0.1453-1ubuntu1.3USN-4309-1

vim-gui-commonUbuntu

Fixed in:2:7.4.052-1ubuntu3.1+esm1USN-4309-1

Fixed in:2:7.4.1689-3ubuntu1.4USN-4309-1

Fixed in:2:8.0.1453-1ubuntu1.3USN-4309-1

vim-runtimeUbuntu

Fixed in:2:7.4.052-1ubuntu3.1+esm1USN-4309-1

Fixed in:2:7.4.1689-3ubuntu1.4USN-4309-1

Fixed in:2:8.0.1453-1ubuntu1.3USN-4309-1

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

2.97%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Patch1

github.com

Exploit1

github.com

Other references1

usn.ubuntu.com

Related Vulnerabilities

Other CWE-476 (NULL Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-21758	High	7.5	92%	-	Fix
CVE-2023-21547	High	7.5	88%	-	Fix
CVE-2014-3470	Medium	4.3	86%	-	Fix
CVE-2021-44224	High	8.2	82%	-	Fix
CVE-2016-0742	High	7.5	82%	-	Fix
CVE-2009-1386	Medium	5.0	80%	-	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.