What is CVE-2021-21248?

CVE-2021-21248 is a critical-severity vulnerability in Theonedev Onedev, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.6/10. Published 2021-01-15.

How severe is CVE-2021-21248?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Vulnerability in Theonedev Onedev

CVE-2021-21248

OneDev is an all-in-one devops platform. In OneDev before version 4.0.3, there is a critical vulnerability involving the build endpoint parameters. InputSpec is used to define parameters of a Build spec. It does so by using dynamically gen…

EPSS: 0.004 (57.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N.

Affected products

Theonedev Onedev — versions < 4.0.3

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

References

github.com/theonedev/onedev/security/advisories/GHSA-gwp4-5498-hv5f (x_refsource_CONFIRM)
github.com/theonedev/onedev/commit/39d95ab8122c5d9ed18e69dc024870cae08d2d60 (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-21248?: CVE-2021-21248 is a critical-severity vulnerability in Theonedev Onedev, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.6/10. Published 2021-01-15.
How severe is CVE-2021-21248?: Critical severity. CVSS v3 base score is 9.6 out of 10.