{"answers":{"affected":"3 open source packages ship an affected version, including gitlab and apollo_upload_server. It affects 1 product.","exploited":"There is no known exploitation of CVE-2021-39880 in the wild and no public exploit code.","fix":"Upgrade gitlab to a fixed version for your release line: 14.0.9, 14.1.4 or 14.2.2.","what":"CVE-2021-39880 is a medium-severity denial of service vulnerability in Gitlab Gitlab, published on 5 Oct 2021. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2021-39880 and fix it if it is affected.\n\nWhat it is: CVE-2021-39880 is a medium-severity denial of service vulnerability in Gitlab Gitlab, published on 5 Oct 2021. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2021-39880 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- gitlab (Bitnami): affected from 11.9.0; fixed in 14.0.9, 14.1.4, 14.2.2\n- apollo_upload_server (RubyGems): affected all versions; fixed in 2.1.0\n- apollo_upload_server (RubyGems): affected all versions; fixed in 2.1.0\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-2021-39880/ (Markdown: https://insights.sbomify.com/CVE-2021-39880/index.md)","id":"CVE-2021-39880","markdown":"https://insights.sbomify.com/CVE-2021-39880/index.md","name":"CVE-2021-39880","record":{"aliases":["BIT-gitlab-2021-39880","DEBIAN-CVE-2021-39880","GHSA-w6pv-c757-6rgr","UBUNTU-CVE-2021-39880"],"analysis":{"component_type":"web_application","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"GitLab","requires_auth":"low_privilege","summary":"An attacker can cause a denial of service in GitLab by sending specially crafted requests to the apollo_upload_server middleware.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitLab","cpe":[{"product":"gitlab","vendor":"gitlab"}],"cvss":{"score":6.5,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[],"description":"A Denial Of Service vulnerability in the apollo_upload_server Ruby gem in GitLab CE/EE all versions starting from 11.9 before 14.0.9, all versions starting from 14.1 before 14.1.4, and all versions starting from 14.2 before 14.2.2 allows an attacker to deny access to all users via specially crafted requests to the apollo_upload_server middleware.","ecosystems":["Bitnami","RubyGems"],"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":"apollo_upload_server has Denial of Service vulnerability","id":"CVE-2021-39880","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Bitnami","product":"gitlab:gitlab","products":["gitlab:gitlab"],"type":"denial_of_service","year":"2021"},"n_packages":3,"n_references":3,"next":{"headline":"Security feature bypass in GitLab","id":"CVE-2021-39881"},"packages":[{"ecosystem":"Bitnami","fixed":["14.0.9","14.1.4","14.2.2"],"introduced":["11.9.0","14.1.0","14.2.0"],"last_affected":[],"package":"gitlab","purl":"pkg:bitnami/gitlab","source":"BIT-gitlab-2021-39880"},{"ecosystem":"RubyGems","fixed":["2.1.0"],"introduced":["0"],"last_affected":[],"package":"apollo_upload_server","purl":null,"source":"GHSA-w6pv-c757-6rgr"},{"ecosystem":"RubyGems","fixed":["2.1.0"],"introduced":["0"],"last_affected":[],"package":"apollo_upload_server","purl":"pkg:gem/apollo_upload_server","source":"GHSA-w6pv-c757-6rgr"}],"prev":{"headline":"Missing authorization in GitLab","id":"CVE-2021-39879"},"products":["GitLab"],"published":"2021-10-05","related":[{"cvss_score":10,"headline":"GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound","id":"CVE-2026-97229","kev_date_added":"2026-10-29","published":"2026-10-13"},{"cvss_score":10,"headline":"GitLab Community Edition and Enterprise Edition Path Traversal","id":"CVE-2026-85706","kev_date_added":"2026-09-11","published":"2026-09-12"},{"cvss_score":10,"headline":"GitLab Community and Enterprise Editions Improper Access Control","id":"CVE-2023-7028","kev_date_added":"2024-05-01","published":"2024-01-12"},{"cvss_score":10,"headline":"GitLab Community and Enterprise Editions Remote Code Execution","id":"CVE-2021-22205","kev_date_added":"2021-11-03","published":"2021-04-23"},{"cvss_score":6.8,"headline":"GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF)","id":"CVE-2021-39935","kev_date_added":"2026-02-03","published":"2021-12-13"},{"cvss_score":6.8,"headline":"GitLab Server-Side Request Forgery (SSRF)","id":"CVE-2021-22175","kev_date_added":"2026-02-18","published":"2021-06-11"},{"cvss_score":10,"headline":"Integer Overflow or Wraparound in GitLab","id":"CVE-2026-110264","kev_date_added":null,"published":"2026-10-22"}],"sources":[{"class":"attribution","licence":"Apache-2.0","name":"Bitnami","prefix":"BIT"},{"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":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-08-04","vendors":["GitLab"]},"summary":"An attacker can cause a denial of service in GitLab by sending specially crafted requests to the apollo_upload_server middleware.","url":"https://insights.sbomify.com/CVE-2021-39880/"}