SB2021042207 - Privilege escalation in Jenkins CloudBees CD plugin
Published: April 22, 2021
Security Bulletin ID
SB2021042207
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21647)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to the affected plugin does not perform a permission check in an HTTP endpoint. A remote authenticated attacker can schedule builds of projects without having Item/Build permission.
Remediation
Install update from vendor's website.