6.5

CVE-2021-37914: argoproj argo_workflows Improper Input Validation

CVSS: 6.5v3.1MediumAnalyzed
AliasesGHSA-h563-xh25-x54qBIT-argo-workflows-2021-37914GO-2022-0928
Published 02-08-2021Last modified 04-08-2024
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Vulnerability summary

CVE-2021-37914 is a medium (CVSS 6.5) Improper Input Validation vulnerability in argoproj argo_workflows. EPSS estimates a 0.96% chance of exploitation in the next 30 days, higher than 61% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.96%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 02-08-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.96%

Chance of exploitation in the next 30 days

Percentile

61%

Versus all other CVEs

30-day change

0.00 pp

From 0.96% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.96%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Argo Workflows

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Github.com/argoproj/argo-workflows2 products
  • v2All versions (No fix recorded)
  • v3≥ 3.1.0, < 3.1.6
Argoproj1 product
Github.com/argoproj1 product
  • argo-workflowsAll versions (No fix recorded)

3 vendors · 4 products

References

6 links