Cleartext storage of sensitive information in Nomad - CVE-2021-21681
Published: September 1, 2021
Vulnerability identifier: #VU56231
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-21681
CWE-ID: CWE-312
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Nomad
Nomad
Software vendor:
Jenkins
Jenkins
Description
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to the affected plugin stores the passwords to authenticate against the Docker registry unencrypted in the global "config.xml" file on the Jenkins controller as part of its worker templates configuration. A local user can gain unauthorized access to sensitive information on the system.
Remediation
Install updates from vendor's website.