CVE-2020-26507
CVSS v3
7.8
HIGH
EPSS Score
1.0 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A CSV Injection (also known as Formula Injection) vulnerability in the Marmind web application with version 4.1.141.0 allows malicious users to gain remote control of other computers. By providing formula code in the “Notes” functionality in the main screen, an attacker can inject a payload into the “Description” field under the “Insert To-Do” option. Other users might download this data, for example a CSV file, and execute the malicious commands on their computer by opening the file using a software such as Microsoft Excel. The attacker could gain remote access to the user’s PC.
Technical details
- Published
- 2020-11-05
Frequently asked questions
What is CVE-2020-26507?
A CSV Injection (also known as Formula Injection) vulnerability in the Marmind web application with version 4.1.141.0 allows malicious users to gain remote control of other computers. By providing formula code in the “Notes” functionality in the main screen, an attacker can inject a payload into the “Description” field under the “Insert To-Do” option. Other users might download this data, for example a CSV file, and execute the malicious commands on their computer by opening the file using a software such as Microsoft Excel. The attacker could gain remote access to the user’s PC.
Is CVE-2020-26507 actively exploited?
Active exploitation of CVE-2020-26507 has not been confirmed. Its EPSS score was 1.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-26507?
CVE-2020-26507 has a CVSS v3 base score of 7.8 (HIGH severity).
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