Is CVE-2020-21710 in the CISA KEV catalog?

No. CVE-2020-21710 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-21710?

CVE-2020-21710 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2020-21710?

CVE-2020-21710 has an EPSS score of 0.62% (45th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-21710?

Upgrade ghostscript on debian 11 to 9.51~dfsg-1 or later. Fixes are available for 29 affected products.

CVE & CISA-KEV Catalog

CVE-2020-21710

MEDIUM

5.5

CVSS v3

NVD

Description

A divide by zero issue discovered in eps_print_page in gdevepsn.c in Artifex Software GhostScript 9.50 allows remote attackers to cause a denial of service via opening of crafted PDF file.

CWE-369

How to fix

Remediation Available

ghostscriptDebian

Fixed in:9.51~dfsg-1CVE-2020-21710

ghostscriptRed Hat / RHEL

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscriptRocky

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscript-debuginfoRocky

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscript-debuginfoRed Hat / RHEL

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscript-debugsourceRocky

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscript-debugsourceRed Hat / RHEL

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscript-docRocky

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscript-docRed Hat / RHEL

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscript-gtk-debuginfoRed Hat / RHEL

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscript-gtk-debuginfoRocky

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscript-tools-dvipdfRed Hat / RHEL

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscript-tools-dvipdfRocky

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscript-tools-fontsRed Hat / RHEL

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscript-tools-fontsRocky

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscript-tools-printingRocky

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscript-tools-printingRed Hat / RHEL

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscript-x11Red Hat / RHEL

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscript-x11Rocky

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscript-x11-debuginfoRocky

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscript-x11-debuginfoRed Hat / RHEL

Fixed in:0:9.27-12.el8RHSA-2024:2966

libgsRocky

Fixed in:0:9.27-12.el8RHSA-2024:2966

libgsRed Hat / RHEL

Fixed in:0:9.27-12.el8RHSA-2024:2966

libgs-debuginfoRed Hat / RHEL

Fixed in:0:9.27-12.el8RHSA-2024:2966

libgs-debuginfoRocky

Fixed in:0:9.27-12.el8RHSA-2024:2966

libgs-develRocky

Fixed in:0:9.27-12.el8RHSA-2024:2966

libgs-develRed Hat / RHEL

Fixed in:0:9.27-12.el8RHSA-2024:2966

ghostscriptUbuntu

Fixed in:9.26~dfsg+0-0ubuntu0.16.04.14+esm7USN-6364-1

Fixed in:9.26~dfsg+0-0ubuntu0.18.04.18+esm2USN-6364-1

Fixed in:9.50~dfsg-5ubuntu4.10USN-6364-1

libgs9Ubuntu

Fixed in:9.26~dfsg+0-0ubuntu0.16.04.14+esm7USN-6364-1

Fixed in:9.26~dfsg+0-0ubuntu0.18.04.18+esm2USN-6364-1

Fixed in:9.50~dfsg-5ubuntu4.10USN-6364-1

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 RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.62%probability of exploitation in 30 days

45thpercentile

Moderate risk: more likely to be exploited than 45% of all known CVEs.

References

Patch1

bugs.ghostscript.com

Other references2

Related Vulnerabilities

Other CWE-369 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2012-0207	High	7.5	20%	-	Fix
CVE-2017-8537	Medium	5.5	17%	-	-
CVE-2017-8536	Medium	5.5	17%	-	-
CVE-2017-8535	Medium	5.5	17%	-	-
CVE-2007-2237	Medium	5.5	15%	-	-
CVE-2025-0317	High	7.5	13%	-	-

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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.