HIGH

CVE-2021-21943

CVSS v3

8.8

HIGH

EPSS Score

1.6 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2021-21943 yet.

Full record on NVD

Description

A heap-based buffer overflow vulnerability exists in the XWD parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Technical details

Published: 2022-04-14

Frequently asked questions

What is CVE-2021-21943?

Is CVE-2021-21943 actively exploited?

Active exploitation of CVE-2021-21943 has not been confirmed. Its EPSS score was 1.6% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-21943?

CVE-2021-21943 has a CVSS v3 base score of 8.8 (HIGH severity).

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