{"answers":{"affected":"2 open source packages ship an affected version, including org.jenkins-ci.plugins.workflow:workflow-cps. It affects 1 product.","exploited":"There is no known exploitation of CVE-2020-2109 in the wild and no public exploit code.","fix":"Upgrade org.jenkins-ci.plugins.workflow:workflow-cps to 2.79 or later.","what":"CVE-2020-2109 is a high-severity vulnerability in Jenkins Pipeline: Groovy Plugin, published on 12 Feb 2020. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2020-2109 and fix it if it is affected.\n\nWhat it is: CVE-2020-2109 is a high-severity vulnerability in Jenkins Pipeline: Groovy Plugin, published on 12 Feb 2020. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2020-2109 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- org.jenkins-ci.plugins.workflow:workflow-cps (Maven): affected all versions; fixed in 2.79\n- org.jenkins-ci.plugins.workflow:workflow-cps (Maven): affected all versions; fixed in 2.79\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2020-2109/ (Markdown: https://insights.sbomify.com/CVE-2020-2109/index.md)","id":"CVE-2020-2109","markdown":"https://insights.sbomify.com/CVE-2020-2109/index.md","name":"CVE-2020-2109","record":{"aliases":["GHSA-99mf-f3qh-wqrp"],"analysis":{"component_type":"server_software","fix_type":"upgrade","impacts":["code_execution","security_bypass"],"network_reachable":"yes","non_default_config":false,"product_category":"Jenkins Groovy plugin","requires_auth":"low_privilege","summary":"Attackers can bypass Jenkins Groovy plugin sandbox restrictions via default parameter expressions, potentially executing arbitrary code.","user_interaction":"not_required","vuln_class":"security_feature_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"jenkins","cpe":[{"product":"pipeline\\","vendor":"jenkins"}],"cvss":{"score":8.8,"severity":"high","source":"nvd","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-20","name":"Improper Input Validation"}],"description":"Sandbox protection in Jenkins Pipeline: Groovy Plugin 2.78 and earlier can be circumvented through default parameter expressions in CPS-transformed methods.","ecosystems":["Maven"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"Improper Input Validation in Jenkins Pipeline: Groovy Plugin","id":"CVE-2020-2109","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Maven","product":null,"products":[],"type":"security_feature_bypass","year":"2020"},"n_packages":2,"n_references":2,"next":{"headline":"Improper Input Validation in Jenkins Script Security Plugin","id":"CVE-2020-2110"},"packages":[{"ecosystem":"Maven","fixed":["2.79"],"introduced":["0"],"last_affected":[],"package":"org.jenkins-ci.plugins.workflow:workflow-cps","purl":null,"source":"GHSA-99mf-f3qh-wqrp"},{"ecosystem":"Maven","fixed":["2.79"],"introduced":["0"],"last_affected":[],"package":"org.jenkins-ci.plugins.workflow:workflow-cps","purl":"pkg:maven/org.jenkins-ci.plugins.workflow/workflow-cps","source":"GHSA-99mf-f3qh-wqrp"}],"prev":{"headline":"XXE vulnerability in Jenkins WebSphere Deployer Plugin","id":"CVE-2020-2108"},"products":["Jenkins Pipeline: Groovy Plugin"],"published":"2020-02-12","related":[{"cvss_score":9.9,"headline":"Jenkins Matrix Project Plugin Remote Code Execution","id":"CVE-2019-1003030","kev_date_added":"2022-03-25","published":"2019-03-08"},{"cvss_score":9.9,"headline":"Jenkins Pipeline: Groovy Plugin allows sandbox protection bypass and arbitrary code execution","id":"CVE-2022-43402","kev_date_added":null,"published":"2022-10-19"},{"cvss_score":9.8,"headline":"Sandbox bypass vulnerability in Jenkins Pipeline: Groovy Plugin","id":"CVE-2019-1003041","kev_date_added":null,"published":"2019-03-28"},{"cvss_score":8.8,"headline":"CSRF protection for any URL can be bypassed in Jenkins Pipeline: Input Step Plugin","id":"CVE-2022-43407","kev_date_added":null,"published":"2022-10-19"},{"cvss_score":8.8,"headline":"Improper Neutralization of Special Elements used in an OS Command in Jenkins Pipeline: Groovy Plugin","id":"CVE-2022-25173","kev_date_added":null,"published":"2022-02-15"},{"cvss_score":8.8,"headline":"Improper Neutralization of Special Elements used in an OS Command in Jenkins Pipeline: Shared Groovy Libraries Plugin","id":"CVE-2022-25174","kev_date_added":null,"published":"2022-02-15"},{"cvss_score":8.8,"headline":"Jenkins Pipeline: Multibranch Plugin vulnerable to OS Command Injection","id":"CVE-2022-25175","kev_date_added":null,"published":"2022-02-15"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-08-04","vendors":["Jenkins project"]},"summary":"Attackers can bypass Jenkins Groovy plugin sandbox restrictions via default parameter expressions, potentially executing arbitrary code.","url":"https://insights.sbomify.com/CVE-2020-2109/"}