CVE-2020-26507
A CSV Injection (also known as Formula Injection) vulnerability in the Marmind web application...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.8
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.
- Record
CVE-2020-26507- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-1236
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-26507- Updated
- 2026-11-02
EUVDEUVD-2020-19054 No score
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.
- Record
EUVD-2020-19054- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rqqh-wq9c-mq63 No score
A CSV Injection (also known as Formula Injection) vulnerability in the Marmind web application...
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.
- Record
GHSA-rqqh-wq9c-mq63- Weakness
- CWE-1236
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-26507 is a high vulnerability (CVSS 7.8) in Marmind, published November 5, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.01%, the 63rd percentile. No source names a fixed version.