Description

Creating symbolic links is possible without the 'symlink' agent-to-controller access control permission in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

Remediation

References

CVE-2021-21691

Related Vulnerabilities

WordPress 4.9.x Multiple Vulnerabilities (4.9 - 4.9.8)

Internet Information Services Improper Input Validation Vulnerability (CVE-2000-0258)

Oracle Database Server Other Vulnerability (CVE-2006-1884)

PHP Improper Link Resolution Before File Access ('Link Following') Vulnerability (CVE-2014-3981)

Atlassian Jira Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') Vulnerability (CVE-2020-14193)

Severity

Critical

Classification

CVE-2021-21691 CWE-59 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Missing Update Known Vulnerabilities