{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2020-21639 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2020-21639 yet. Limit exposure of the affected software until one is available.","what":"CVE-2020-21639 is a medium-severity cross-site scripting vulnerability in n/a, published on 16 Nov 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link."},"fix_prompt":"Check this codebase for CVE-2020-21639 and fix it if it is affected.\n\nWhat it is: CVE-2020-21639 is a medium-severity cross-site scripting vulnerability in n/a, published on 16 Nov 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.\nExploitation: There is no known exploitation of CVE-2020-21639 in the wild and no public exploit code.\n\nAffected product: n/a. No package-level version data is available, so check the vendor advisory linked from the reference page.\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-2020-21639/ (Markdown: https://insights.sbomify.com/CVE-2020-21639/index.md)","id":"CVE-2020-21639","markdown":"https://insights.sbomify.com/CVE-2020-21639/index.md","name":"CVE-2020-21639","record":{"aliases":["GHSA-45pw-7ww2-5vcv"],"analysis":{"component_type":"network_device","fix_type":"patch","impacts":["code_execution","security_bypass"],"network_reachable":"yes","non_default_config":false,"product_category":"Ruijie UAC device","requires_auth":"none","summary":"Attackers can execute arbitrary scripts via the rule_name parameter in Ruijie RG-UAC devices, potentially compromising user sessions.","user_interaction":"required","vuln_class":"xss"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"mitre","cpe":[{"product":"rg-uac_6000-e50_firmware","vendor":"ruijie"}],"cvss":{"score":6.1,"severity":"medium","source":"nvd","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"cwes":[{"id":"CWE-79","name":"Improper Neutralization of Input During Web Page Generation"}],"description":"Ruijie RG-UAC 6000-E50 commit 9071227 was discovered to contain a cross-site scripting (XSS) vulnerability via the rule_name parameter. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":null,"headline":"Cross-site scripting in n/a","id":"CVE-2020-21639","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"xss","year":"2020"},"n_packages":0,"n_references":1,"next":{"headline":"XML external entity in n/a","id":"CVE-2020-21641"},"packages":[],"prev":{"headline":"Denial of service in n/a","id":"CVE-2020-21627"},"products":["n/a"],"published":"2021-11-16","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"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":["n/a"]},"summary":"Attackers can execute arbitrary scripts via the rule_name parameter in Ruijie RG-UAC devices, potentially compromising user sessions.","url":"https://insights.sbomify.com/CVE-2020-21639/"}