CVE-2021-28154

Name: CVE-2021-28154
Creator: NVD / NIST
Published: 2021-03-11T22:15:12.857+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 1.48%

Last modified Jun 17, 2026

CVE-2021-28154 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. Camunda Modeler (aka camunda-modeler) through 4.6.0 allows arbitrary file access. A remote attacker may send a crafted IPC message to the exposed vulnerable ipcRenderer IPC interface, which manipulates the readFile and writeFile APIs. EPSS estimates a 1.48% chance of exploitation in the next 30 days.

Description

Camunda Modeler (aka camunda-modeler) through 4.6.0 allows arbitrary file access. A remote attacker may send a crafted IPC message to the exposed vulnerable ipcRenderer IPC interface, which manipulates the readFile and writeFile APIs. NOTE: the vendor states "The way we secured the app is that it does not allow any remote scripts to be opened, no unsafe scripts to be evaluated, no remote sites to be browsed.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability

1.48%

70.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Camunda	Modeler	<= 4.6.0

References

https://github.com/camunda/camunda-modeler/issues/2143Exploit, Issue Tracking, Third Party Advisory
https://github.com/camunda/camunda-modeler/issues/2143Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Mar 11, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-28154?

How severe is CVE-2021-28154?

CVE-2021-28154 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 1.48% probability of exploitation in the next 30 days.

How do I fix CVE-2021-28154?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-28154?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST