Jenkins Security Vulnerabilities

CVE-2021-21658

Jenkins Nuget Plugin 1.0 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

CVE-2021-21659

Jenkins URLTrigger Plugin 0.48 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

CVE-2021-21660

Jenkins Markdown Formatter Plugin 0.1.0 and earlier does not sanitize crafted link target URLs, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with the ability to edit any description rendered using the configured markup formatter.

CVE-2021-21661

Jenkins Kubernetes CLI Plugin 1.10.0 and earlier does not perform permission checks in several HTTP endpoints, allowing attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins.

CVE-2021-21662

A missing permission check in Jenkins XebiaLabs XL Deploy Plugin 10.0.1 and earlier allows attackers with Overall/Read permission to enumerate credentials ID of credentials stored in Jenkins.

CVE-2021-21663

A missing permission check in Jenkins XebiaLabs XL Deploy Plugin 7.5.8 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing Username/password credentials stored in Jenkin...

CVE-2021-21664

An incorrect permission check in Jenkins XebiaLabs XL Deploy Plugin 10.0.1 and earlier allows attackers with Generic Create permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing Username/password credentials stored in ...

CVE-2021-21665

A cross-site request forgery (CSRF) vulnerability in Jenkins XebiaLabs XL Deploy Plugin 10.0.1 and earlier allows attackers to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing Username/password credentials stored in Jenkins.

CVE-2021-21666

Jenkins Kiuwan Plugin 1.6.0 and earlier does not escape query parameters in an error message for a form validation endpoint, resulting in a reflected cross-site scripting (XSS) vulnerability.

CVE-2021-21667

Jenkins Scriptler Plugin 3.2 and earlier does not escape parameter names shown in job configuration forms, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Scriptler/Configure permission.

CVE-2021-21668

Jenkins Scriptler Plugin 3.1 and earlier does not escape script content, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Scriptler/Configure permission.

CVE-2021-21669

Jenkins Generic Webhook Trigger Plugin 1.72 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

CVE-2021-21670

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-2021-21671

Jenkins 2.299 and earlier, LTS 2.289.1 and earlier does not invalidate the previous session on login.

CVE-2021-21672

Jenkins Selenium HTML report Plugin 1.0 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

CVE-2021-21673

Jenkins CAS Plugin 1.6.0 and earlier improperly determines that a redirect URL after login is legitimately pointing to Jenkins, allowing attackers to perform phishing attacks.

CVE-2021-21674

A missing permission check in Jenkins requests-plugin Plugin 2.2.6 and earlier allows attackers with Overall/Read permission to view the list of pending requests.

CVE-2021-21675

A cross-site request forgery (CSRF) vulnerability in Jenkins requests-plugin Plugin 2.2.12 and earlier allows attackers to create requests and/or have administrators apply pending requests.

CVE-2021-21676

Jenkins requests-plugin Plugin 2.2.7 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Overall/Read permission to send test emails to an attacker-specified email address.

CVE-2021-21677

Jenkins Code Coverage API Plugin 1.4.0 and earlier does not apply Jenkins JEP-200 deserialization protection to Java objects it deserializes from disk, resulting in a remote code execution vulnerability.

CVE-2021-21678

Jenkins SAML Plugin 2.0.7 and earlier allows attackers to craft URLs that would bypass the CSRF protection of any target URL in Jenkins.

CVE-2021-21679

Jenkins Azure AD Plugin 179.vf6841393099e and earlier allows attackers to craft URLs that would bypass the CSRF protection of any target URL in Jenkins.

CVE-2021-21680

Jenkins Nested View Plugin 1.20 and earlier does not configure its XML transformer to prevent XML external entity (XXE) attacks.

CVE-2021-21681

Jenkins Nomad Plugin 0.7.4 and earlier stores Docker passwords unencrypted in the global config.xml file on the Jenkins controller where they can be viewed by users with access to the Jenkins controller file system.

CVE-2021-21682

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

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 th...

CVE-2021-21684

Jenkins Git Plugin 4.8.2 and earlier does not escape the Git SHA-1 checksum parameters provided to commit notifications when displaying them in a build cause, resulting in a stored cross-site scripting (XSS) vulnerability.

CVE-2021-21685

Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not check agent-to-controller access to create parent directories in FilePath#mkdirs.

CVE-2021-21686

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-2021-21687

Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not check agent-to-controller access to create symbolic links when unarchiving a symbolic link in FilePath#untar.

CVE-2021-21688

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-2021-21689

FilePath#unzip and FilePath#untar were not subject to any agent-to-controller access control in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

CVE-2021-21690

Agent processes are able to completely bypass file path filtering by wrapping the file operation in an agent file path in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

CVE-2021-21691

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.

CVE-2021-21692

FilePath#renameTo and FilePath#moveAllChildrenTo in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier only check 'read' agent-to-controller access permission on the source path, instead of 'delete'.

CVE-2021-21693

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.

CVE-2021-21694

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-2021-21695

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-2021-21696

Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not limit agent read/write access to the libs/ directory inside build directories when using the FilePath APIs, allowing attackers in control of agent processes to replace the code of a trusted library with a modified variant. This results in ...

CVE-2021-21697

Jenkins 2.318 and earlier, LTS 2.303.2 and earlier allows any agent to read and write the contents of any build directory stored in Jenkins with very few restrictions.

CVE-2021-21698

Jenkins Subversion Plugin 2.15.0 and earlier does not restrict the name of a file when looking up a subversion key file on the controller from an agent.

CVE-2021-21699

Jenkins Active Choices Plugin 2.5.6 and earlier does not escape the parameter name of reactive parameters and dynamic reference parameters, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.

CVE-2021-21700

Jenkins Scriptler Plugin 3.3 and earlier does not escape the name of scripts on the UI when asking to confirm their deletion, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by exploitable by attackers able to create Scriptler scripts.

CVE-2021-21701

Jenkins Performance Plugin 3.20 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

CVE-2021-28165

In Eclipse Jetty 7.2.2 to 9.4.38, 10.0.0.alpha0 to 10.0.1, and 11.0.0.alpha0 to 11.0.1, CPU usage can reach 100% upon receiving a large invalid TLS frame.

CVE-2021-43576

Jenkins pom2config Plugin 1.2 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks, allowing attackers with Overall/Read and Item/Read permissions to have Jenkins parse a crafted XML file that uses external entities for extraction of secrets from the Jenkins co...

CVE-2021-43577

Jenkins OWASP Dependency-Check Plugin 5.1.1 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

CVE-2021-43578

Jenkins Squash TM Publisher (Squash4Jenkins) Plugin 1.0.0 and earlier implements an agent-to-controller message that does not implement any validation of its input, allowing attackers able to control agent processes to replace arbitrary files on the Jenkins controller file system with an attacker-c...

CVE-2022-0538

Jenkins 2.333 and earlier, LTS 2.319.2 and earlier defines custom XStream converters that have not been updated to apply the protections for the vulnerability CVE-2021-43859 and allow unconstrained resource usage.

CVE-2022-2048

In Eclipse Jetty HTTP/2 server implementation, when encountering an invalid HTTP/2 request, the error handling has a bug that can wind up not properly cleaning up the active connections and associated resources. This can lead to a Denial of Service scenario where there are no enough resources left ...