CVE-2021-21432: go-vela server Improper Authorization
Vulnerability summary
CVE-2021-21432 is a high (CVSS 7.5) Improper Authorization vulnerability in go-vela server. EPSS estimates a 0.99% chance of exploitation in the next 30 days, higher than 62% of scored vulnerabilities.
Timeline
- 09-04-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · GoEcosystem advisory · calculated7.5HighCVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:L
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NDiffers
EPSS trend
Probability
0.99%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
0.00 pp
From 0.99% on 22-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-285Improper AuthorizationThe product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
- CWE-862Missing AuthorizationThe product does not perform an authorization check when an actor attempts to access a resource or perform an action.
Affected systems
2 vendors · 3 products
References
7 links- github.com/go-vela/server/security/advisories/GHSA-8j3f-mhq8-gmh4X Refsource CONFIRMWEBAdvisoryThird Party Advisory
- github.com/go-vela/server/commit/cb4352918b8ecace9fe969b90404d337b0744d46X Refsource MISCWEBFIXPatchThird Party Advisory
- github.com/go-vela/serverPACKAGE