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HIGH

CVE-2020-13546

CVSS v3

7.8

HIGH

EPSS Score

1.4 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

In SoftMaker Software GmbH SoftMaker Office TextMaker 2021 (revision 1014), a specially crafted document can cause the document parser to miscalculate a length used to allocate a buffer, later upon usage of this buffer the application will write outside its bounds resulting in a heap-based buffer overflow. An attacker can entice the victim to open a document to trigger this vulnerability.

Technical details

Published
2021-02-10

Frequently asked questions

What is CVE-2020-13546?

In SoftMaker Software GmbH SoftMaker Office TextMaker 2021 (revision 1014), a specially crafted document can cause the document parser to miscalculate a length used to allocate a buffer, later upon usage of this buffer the application will write outside its bounds resulting in a heap-based buffer overflow. An attacker can entice the victim to open a document to trigger this vulnerability.

Is CVE-2020-13546 actively exploited?

Active exploitation of CVE-2020-13546 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-13546?

CVE-2020-13546 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2020-13546 affecting your environment?

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