Description

When creating temporary files, agent-to-controller access to create those files is only checked after they've been created in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

Remediation

References

CVE-2021-21693

Related Vulnerabilities

IBM RTC Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2016-2864)

Microsoft SQL Server Other Vulnerability (CVE-2000-1088)

MySQL CVE-2021-35642 Vulnerability (CVE-2021-35642)

MyBB Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2013-7288)

ReviveAdserver Other Vulnerability (CVE-2014-8875)

Severity

Critical

Classification

CVE-2021-21693 CWE-285 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Missing Update Known Vulnerabilities