Is CVE-2018-20846 in the CISA KEV catalog?

No. CVE-2018-20846 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-20846?

CVE-2018-20846 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2018-20846?

CVE-2018-20846 has an EPSS score of 2.17% (80th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-20846?

Upgrade openjpeg2 on debian 11 to 2.3.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2018-20846

MEDIUMEPSS 80th pctl

6.5

CVSS v3

NVD

Description

Out-of-bounds accesses in the functions pi_next_lrcp, pi_next_rlcp, pi_next_rpcl, pi_next_pcrl, pi_next_rpcl, and pi_next_cprl in openmj2/pi.c in OpenJPEG through 2.3.0 allow remote attackers to cause a denial of service (application crash).

CWE-20Improper Input Validation

How to fix

Remediation Available

openjpeg2Debian

Fixed in:2.3.1-1CVE-2018-20846

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

2.17%probability of exploitation in 30 days

80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory1

securityfocus.com

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

Embed a live status badge for CVE-2018-20846

Markdown

[![CVE-2018-20846](https://tridentstack.com/cve/badge/CVE-2018-20846.svg)](https://tridentstack.com/cve/CVE-2018-20846)

HTML

<a href="https://tridentstack.com/cve/CVE-2018-20846"><img src="https://tridentstack.com/cve/badge/CVE-2018-20846.svg" alt="CVE-2018-20846"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.