CVE-2018-21034

Name: CVE-2018-21034
Creator: NVD / NIST
Published: 2020-04-09T17:15:12.703+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.37%

Last modified Jun 17, 2026

CVE-2018-21034 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 1.37% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

1.37%

68.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Argoproj	Argo Cd	<= 1.4.2

References

https://github.com/argoproj/argo-cd/blob/a1afe44066fcd0a0ab90a02a23177164bbad42cf/util/diff/diff.go#L399Exploit, Third Party Advisory
https://github.com/argoproj/argo-cd/issues/470Third Party Advisory
https://github.com/argoproj/argo-cd/pull/3088Patch, Third Party Advisory
https://www.soluble.ai/blog/argo-cves-2020Exploit, Third Party Advisory
https://github.com/argoproj/argo-cd/blob/a1afe44066fcd0a0ab90a02a23177164bbad42cf/util/diff/diff.go#L399Exploit, Third Party Advisory
https://github.com/argoproj/argo-cd/issues/470Third Party Advisory
https://github.com/argoproj/argo-cd/pull/3088Patch, Third Party Advisory
https://www.soluble.ai/blog/argo-cves-2020Exploit, Third Party Advisory

Timeline

Published: Apr 9, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-21034?

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.

How severe is CVE-2018-21034?

CVE-2018-21034 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.37% probability of exploitation in the next 30 days.

How do I fix CVE-2018-21034?

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-2018-21034?

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

Scan your code now

Source: NVD / NIST