{"answers":{"affected":"3 open source packages ship an affected version, including bikeshed. It affects 1 product.","exploited":"There is no known exploitation of CVE-2021-23422 in the wild and no public exploit code.","fix":"Upgrade bikeshed to 3.0.0 or later.","what":"CVE-2021-23422 is a high-severity command injection vulnerability in bikeshed, published on 16 Aug 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link."},"fix_prompt":"Check this codebase for CVE-2021-23422 and fix it if it is affected.\n\nWhat it is: CVE-2021-23422 is a high-severity command injection vulnerability in bikeshed, published on 16 Aug 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.\nExploitation: There is no known exploitation of CVE-2021-23422 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- bikeshed (PyPI): affected all versions; fixed in 3.0.0\n- bikeshed (PyPI): affected all versions; fixed in 3.0.0\n- bikeshed (PyPI): affected all versions; fixed in 3.0.0\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-2021-23422/ (Markdown: https://insights.sbomify.com/CVE-2021-23422/index.md)","id":"CVE-2021-23422","markdown":"https://insights.sbomify.com/CVE-2021-23422/index.md","name":"CVE-2021-23422","record":{"aliases":["GHSA-87cj-px37-rc3x","PYSEC-2021-116","SNYK-PYTHON-BIKESHED-1537646","UBUNTU-CVE-2021-23422"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["code_execution"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Python bikeshed library","requires_auth":"none","summary":"Attackers can execute arbitrary OS commands by processing untrusted source files with Inline Tag Command metadata in the bikeshed library.","user_interaction":"required","vuln_class":"command_injection"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"snyk","cpe":[{"product":"bikeshed","vendor":"bikeshed_project"}],"cvss":{"score":7.8,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-78","name":"Improper Neutralization of Special Elements used in an OS Command"}],"description":"This affects the package bikeshed before 3.0.0. This can occur when an untrusted source file containing Inline Tag Command metadata is processed. When an arbitrary OS command is executed, the command output would be included in the HTML output.","ecosystems":["PyPI"],"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":"Arbitrary Code Injection","id":"CVE-2021-23422","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"PyPI","product":null,"products":[],"type":"command_injection","year":"2021"},"n_packages":3,"n_references":2,"next":{"headline":"Directory Traversal","id":"CVE-2021-23423"},"packages":[{"ecosystem":"PyPI","fixed":["3.0.0"],"introduced":["0"],"last_affected":[],"package":"bikeshed","purl":null,"source":"GHSA-87cj-px37-rc3x"},{"ecosystem":"PyPI","fixed":["3.0.0"],"introduced":["0"],"last_affected":[],"package":"bikeshed","purl":"pkg:pypi/bikeshed","source":"GHSA-87cj-px37-rc3x"},{"ecosystem":"PyPI","fixed":["3.0.0"],"introduced":["0"],"last_affected":[],"package":"bikeshed","purl":"pkg:pypi/bikeshed","source":"PYSEC-2021-116"}],"prev":{"headline":"Prototype Pollution","id":"CVE-2021-23421"},"products":["bikeshed"],"published":"2021-08-16","related":[{"cvss_score":5.5,"headline":"Directory Traversal","id":"CVE-2021-23423","kev_date_added":null,"published":"2021-08-16"}],"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":"CC BY 4.0","name":"PyPA Advisory Database","prefix":"PYSEC"},{"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":"2024-09-16","vendors":["n/a"]},"summary":"Attackers can execute arbitrary OS commands by processing untrusted source files with Inline Tag Command metadata in the bikeshed library.","url":"https://insights.sbomify.com/CVE-2021-23422/"}