How severe is CVE-2020-21710?

CVE-2020-21710 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-21710 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-21710?

CVE-2020-21710 affects Artifex Ghostscript. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-21710?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-21710 published?

CVE-2020-21710 was published on 2023-08-22 and last updated on 2026-06-17.

CVE-2020-21710

CVE-2020-21710 is a medium-severity vulnerability in Artifex Ghostscript with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-369.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-369
Affected product: Artifex Ghostscript
Published: 2023-08-22
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-21710?: 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.
How severe is CVE-2020-21710?: CVE-2020-21710 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-21710 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-21710?: CVE-2020-21710 affects Artifex Ghostscript. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-21710?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-21710 published?: CVE-2020-21710 was published on 2023-08-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:artifex:ghostscript:9.50:*:*:*:*:*:*:*

More vulnerabilities in Artifex Ghostscript

CVE-2021-3781 — Critical (CVSS 9.9): A trivial sandbox (enabled with the `-dSAFER` option) escape flaw was found in the ghostscript interpreter by injecting…
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CVE-2025-27832 — Critical (CVSS 9.8): An issue was discovered in Artifex Ghostscript before 10.05.0. The NPDL device has a Compression buffer overflow for…
CVE-2025-27831 — Critical (CVSS 9.8): An issue was discovered in Artifex Ghostscript before 10.05.0. The DOCXWRITE TXTWRITE device has a text buffer overflow…
CVE-2020-36773 — Critical (CVSS 9.8): Artifex Ghostscript before 9.53.0 has an out-of-bounds write and use-after-free in devices/vector/gdevtxtw.c (for…

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Other CWE-369 (Divide By Zero) vulnerabilities

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CVE-2026-37232 — High (CVSS 8.6): An issue was discovered in OpenAirInterface5G 2.4.0 (nr-softmodem) in the E2SM-KPM RAN Function's PRB utilization…
CVE-2024-26945 — High (CVSS 8.4): In the Linux kernel, the following vulnerability has been resolved: crypto: iaa - Fix nr_cpus < nr_iaa case If…

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