CVE-2021-21432

Name: CVE-2021-21432
Creator: NVD / NIST
Published: 2021-04-09T18:15:13.583+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.99%

Last modified Jun 17, 2026

CVE-2021-21432 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Vela is a Pipeline Automation (CI/CD) framework built on Linux container technology written in Golang. An authentication mechanism added in version 0.7.0 enables some malicious user to obtain secrets utilizing the injected credentials within the `~/.netrc` file. EPSS estimates a 0.99% chance of exploitation in the next 30 days.

Description

Vela is a Pipeline Automation (CI/CD) framework built on Linux container technology written in Golang. An authentication mechanism added in version 0.7.0 enables some malicious user to obtain secrets utilizing the injected credentials within the `~/.netrc` file. Refer to the referenced GitHub Security Advisory for complete details. This is fixed in version 0.7.5.

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

0.99%

57.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Go-Vela	Vela	< 0.7.5

References

https://github.com/go-vela/server/commit/cb4352918b8ecace9fe969b90404d337b0744d46Patch, Third Party Advisory
https://github.com/go-vela/server/pull/337Patch, Third Party Advisory
https://github.com/go-vela/server/releases/tag/v0.7.5Release Notes, Third Party Advisory
https://github.com/go-vela/server/security/advisories/GHSA-8j3f-mhq8-gmh4Third Party Advisory
https://pkg.go.dev/github.com/go-vela/serverRelease Notes, Third Party Advisory
https://github.com/go-vela/server/commit/cb4352918b8ecace9fe969b90404d337b0744d46Patch, Third Party Advisory
https://github.com/go-vela/server/pull/337Patch, Third Party Advisory
https://github.com/go-vela/server/releases/tag/v0.7.5Release Notes, Third Party Advisory
https://github.com/go-vela/server/security/advisories/GHSA-8j3f-mhq8-gmh4Third Party Advisory
https://pkg.go.dev/github.com/go-vela/serverRelease Notes, Third Party Advisory

Timeline

Published: Apr 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-21432?

How severe is CVE-2021-21432?

CVE-2021-21432 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.99% probability of exploitation in the next 30 days.

How do I fix CVE-2021-21432?

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-2021-21432?

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

Scan your code now

Source: NVD / NIST