Jenkins Project Jenkins vulnerabilities

CVE-2021-21694 [CRITICAL] CWE-862 CVE-2021-21694: FilePath#toURI, FilePath#hasSymlink, FilePath#absolutize, FilePath#isDescendant, and FilePath#get*Di FilePath#toURI, FilePath#hasSymlink, FilePath#absolutize, FilePath#isDescendant, and FilePath#get*DiskSpace do not check any permissions in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

CVE-2021-21686 [HIGH] CWE-59 CVE-2021-21686: File path filters in the agent-to-controller security subsystem of Jenkins 2.318 and earlier, LTS 2. File path filters in the agent-to-controller security subsystem of Jenkins 2.318 and earlier, LTS 2.303.2 and earlier do not canonicalize paths, allowing operations to follow symbolic links to outside allowed directories.

CVE-2021-21695 [HIGH] CWE-59 CVE-2021-21695: FilePath#listFiles lists files outside directories that agents are allowed to access when following FilePath#listFiles lists files outside directories that agents are allowed to access when following symbolic links in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

CVE-2021-21688 [HIGH] CWE-862 CVE-2021-21688: The agent-to-controller security check FilePath#reading(FileVisitor) in Jenkins 2.318 and earlier, L The agent-to-controller security check FilePath#reading(FileVisitor) in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not reject any operations, allowing users to have unrestricted read access using certain operations (creating archives, FilePath#copyRecursiveTo).

CVE-2021-21682 [MEDIUM] CVE-2021-21682: Jenkins 2.314 and earlier, LTS 2.303.1 and earlier accepts names of jobs and other entities with a t Jenkins 2.314 and earlier, LTS 2.303.1 and earlier accepts names of jobs and other entities with a trailing dot character, potentially replacing the configuration and data of other entities on Windows.

CVE-2021-21683 [MEDIUM] CWE-22 CVE-2021-21683: The file browser in Jenkins 2.314 and earlier, LTS 2.303.1 and earlier may interpret some paths to f The file browser in Jenkins 2.314 and earlier, LTS 2.303.1 and earlier may interpret some paths to files as absolute on Windows, resulting in a path traversal vulnerability allowing attackers with Overall/Read permission (Windows controller) or Job/Workspace permission (Windows agents) to obtain the contents of arbitrary files.

CVE-2021-21671 [HIGH] CVE-2021-21671: Jenkins 2.299 and earlier, LTS 2.289.1 and earlier does not invalidate the previous session on login Jenkins 2.299 and earlier, LTS 2.289.1 and earlier does not invalidate the previous session on login.

CVE-2021-21670 [MEDIUM] CVE-2021-21670: Jenkins 2.299 and earlier, LTS 2.289.1 and earlier allows users to cancel queue items and abort buil Jenkins 2.299 and earlier, LTS 2.289.1 and earlier allows users to cancel queue items and abort builds of jobs for which they have Item/Cancel permission even when they do not have Item/Read permission.

CVE-2021-21639 [MEDIUM] CVE-2021-21639: Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created afte Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type.

CVE-2021-21640 [MEDIUM] CVE-2021-21640: Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not properly check that a newly created view Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not properly check that a newly created view has an allowed name, allowing attackers with View/Create permission to create views with invalid or already-used names.

CVE-2021-21615 [MEDIUM] CWE-367 CVE-2021-21615: Jenkins 2.275 and LTS 2.263.2 allows reading arbitrary files using the file browser for workspaces a Jenkins 2.275 and LTS 2.263.2 allows reading arbitrary files using the file browser for workspaces and archived artifacts due to a time-of-check to time-of-use (TOCTOU) race condition.

CVE-2021-21605 [HIGH] CWE-22 CVE-2021-21605: Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows users with Agent/Configure permission to c Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows users with Agent/Configure permission to choose agent names that cause Jenkins to override the global `config.xml` file.

CVE-2021-21604 [HIGH] CWE-502 CVE-2021-21604: Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows attackers with permission to create or con Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows attackers with permission to create or configure various objects to inject crafted content into Old Data Monitor that results in the instantiation of potentially unsafe objects once discarded by an administrator.

CVE-2021-21603 [MEDIUM] CWE-79 CVE-2021-21603: Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape notification bar response content Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape notification bar response contents, resulting in a cross-site scripting (XSS) vulnerability.

CVE-2021-21607 [MEDIUM] CWE-770 CVE-2021-21607: Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not limit sizes provided as query parameters Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not limit sizes provided as query parameters to graph-rendering URLs, allowing attackers to request crafted URLs that use all available memory in Jenkins, potentially leading to out of memory errors.

CVE-2021-21610 [MEDIUM] CWE-79 CVE-2021-21610: Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not implement any restrictions for the URL r Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not implement any restrictions for the URL rendering a formatted preview of markup passed as a query parameter, resulting in a reflected cross-site scripting (XSS) vulnerability if the configured markup formatter does not prohibit unsafe elements (JavaScript) in markup.

CVE-2021-21609 [MEDIUM] CWE-863 CVE-2021-21609: Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not correctly match requested URLs to the li Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not correctly match requested URLs to the list of always accessible paths, allowing attackers without Overall/Read permission to access some URLs as if they did have Overall/Read permission.

CVE-2021-21602 [MEDIUM] CWE-59 CVE-2021-21602: Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows reading arbitrary files using the file bro Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows reading arbitrary files using the file browser for workspaces and archived artifacts by following symlinks.

CVE-2021-21608 [MEDIUM] CWE-79 CVE-2021-21608: Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape button labels in the Jenkins UI, Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape button labels in the Jenkins UI, resulting in a cross-site scripting (XSS) vulnerability exploitable by attackers with the ability to control button labels.

CVE-2021-21611 [MEDIUM] CWE-79 CVE-2021-21611: Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape display names and IDs of item typ Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape display names and IDs of item types shown on the New Item page, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to specify display names or IDs of item types.