CVE-2021-37914

Name: CVE-2021-37914
Creator: NVD / NIST
Published: 2021-08-03T00:15:08.607+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.96%

Last modified Jun 17, 2026

CVE-2021-37914 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In Argo Workflows through 3.1.3, if EXPRESSION_TEMPLATES is enabled and untrusted users are allowed to specify input parameters when running workflows, an attacker may be able to disrupt a workflow because expression template output is evaluated.. EPSS estimates a 0.96% chance of exploitation in the next 30 days.

Description

In Argo Workflows through 3.1.3, if EXPRESSION_TEMPLATES is enabled and untrusted users are allowed to specify input parameters when running workflows, an attacker may be able to disrupt a workflow because expression template output is evaluated.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.96%

57.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Argoproj	Argo Workflows	<= 3.1.3

References

https://github.com/argoproj/argo-workflows/issues/6441Exploit, Issue Tracking, Third Party Advisory
https://github.com/argoproj/argo-workflows/pull/6442Exploit, Patch, Third Party Advisory
https://github.com/argoproj/argo-workflows/issues/6441Exploit, Issue Tracking, Third Party Advisory
https://github.com/argoproj/argo-workflows/pull/6442Exploit, Patch, Third Party Advisory

Timeline

Published: Aug 3, 2021
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-37914?

How severe is CVE-2021-37914?

CVE-2021-37914 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.

How do I fix CVE-2021-37914?

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-2021-37914?

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

Scan your code now

Source: NVD / NIST