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CVE-2021-37914

Published: Aug 2, 2021Updated: Feb 13, 2026 Sources: CVE List NVD GHSACWE-20
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
1.0%
Top 43.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-20

Affected Products

argo workflowsargoproj
Mixed
Cloud & SaaS / container-orchestration
n/an/a
github.com/argoproj/argo-workflows/v3GoOSS Libraries
argoprojoss-projectCloud & SaaSaka argo cd, argo-cd, argo workflows, argo workflow
gopackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://github.com/argoproj/argo-workflows/issues/6441
github.com
https://github.com/argoproj/argo-workflows/pull/6442
github.com
https://github.com/argoproj/argo-workflows/security/advisories/GHSA-h563-xh25-x54q
github.com
and 4 more references View all →

Timeline

Published
Aug 2, 2021
Last Updated
Feb 13, 2026

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