CVE-2021-21647: Missing Authorization

May 24, 2022 (updated December 13, 2022)

Jenkins CloudBees CD Plugin 1.1.21 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Item/Read permission to schedule builds of projects without having Item/Build permission.

References

www.openwall.com/lists/oss-security/2021/04/21/2
github.com/advisories/GHSA-7rx6-4vwv-432g
nvd.nist.gov/vuln/detail/CVE-2021-21647
www.jenkins.io/security/advisory/2021-04-21/

Code Behaviors & Features

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