CVE-2020-13586

PoC —

CVSS 3.1

7.8 high

EPSS

2%p73

Published

Feb 4, 2021 (Feb 4, 2021)

Modified

Jun 17, 2026

Description

A memory corruption vulnerability exists in the Excel Document SST Record 0x00fc functionality of SoftMaker Software GmbH SoftMaker Office PlanMaker 2021 (Revision 1014). A specially crafted malformed file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

Vendors: softmaker
Products: planmaker 2021
Weakness: CWE-122, CWE-787
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.5%)

In the news1 stories

Vulnerability Spotlight: Multiple vulnerabilities in SoftMaker Office PlanMaker

Cisco TalosFeb 3, 18:00 UTC · Feb 3, 2021Vulnerability in the wildCVE-2020-13579 CVE-2020-13580 CVE-2020-13581+1 CVEs