CVE-2018-21034

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-04-09 · updated 2026-06-17
Weakness: CWE-200

Description

In Argo versions prior to v1.5.0-rc1, it was possible for authenticated Argo users to submit API calls to retrieve secrets and other manifests which were stored within git.

Affected products

argoproj argo-cd: through 1.4.2

References

https://github.com/argoproj/argo-cd/blob/a1afe44066fcd0a0ab90a02a23177164bbad42cf/util/diff/diff.go#L399
https://github.com/argoproj/argo-cd/issues/470
https://github.com/argoproj/argo-cd/pull/3088
https://www.soluble.ai/blog/argo-cves-2020
https://github.com/argoproj/argo-cd/blob/a1afe44066fcd0a0ab90a02a23177164bbad42cf/util/diff/diff.go#L399
https://github.com/argoproj/argo-cd/issues/470
https://github.com/argoproj/argo-cd/pull/3088
https://www.soluble.ai/blog/argo-cves-2020

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