Is CVE-2018-20845 in the CISA KEV catalog?

No. CVE-2018-20845 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-20845?

CVE-2018-20845 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2018-20845?

CVE-2018-20845 has an EPSS score of 2.35% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-20845?

Upgrade openjpeg2 on debian 11 to 2.3.1-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2018-20845

MEDIUMEPSS 82th pctl

6.5

CVSS v3

NVD

Description

Division-by-zero vulnerabilities in the functions pi_next_pcrl, pi_next_cprl, and pi_next_rpcl in openmj2/pi.c in OpenJPEG through 2.3.0 allow remote attackers to cause a denial of service (application crash).

CWE-369

How to fix

Remediation Available

openjpeg2Debian

Fixed in:2.3.1-1CVE-2018-20845

libopenjp2-7Ubuntu

Fixed in:2.1.2-1.1+deb9u6ubuntu0.1~esm1USN-4782-1

Fixed in:2.3.0-2ubuntu0.1~esm1USN-4782-1

openjpeg2Ubuntu

Fixed in:2.1.2-1.1+deb9u6ubuntu0.1~esm1USN-4782-1

Fixed in:2.3.0-2ubuntu0.1~esm1USN-4782-1

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 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

2.35%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory1

securityfocus.com

Embed a live status badge for CVE-2018-20845

Markdown

[![CVE-2018-20845](https://tridentstack.com/cve/badge/CVE-2018-20845.svg)](https://tridentstack.com/cve/CVE-2018-20845)

HTML

<a href="https://tridentstack.com/cve/CVE-2018-20845"><img src="https://tridentstack.com/cve/badge/CVE-2018-20845.svg" alt="CVE-2018-20845"></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.