{"answers":{"affected":"It affects 4 products.","exploited":"There is no known exploitation of CVE-2021-27459 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2021-27459 yet. Limit exposure of the affected software until one is available.","what":"CVE-2021-27459 is a critical vulnerability in Emerson Rosemount X-STREAM Gas Analyzer, published on 20 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2021-27459 and fix it if it is affected.\n\nWhat it is: CVE-2021-27459 is a critical vulnerability in Emerson Rosemount X-STREAM Gas Analyzer, published on 20 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2021-27459 in the wild and no public exploit code.\n\nAffected product: Emerson Rosemount X-STREAM Gas Analyzer. 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-2021-27459/ (Markdown: https://insights.sbomify.com/CVE-2021-27459/index.md)","id":"CVE-2021-27459","markdown":"https://insights.sbomify.com/CVE-2021-27459/index.md","name":"CVE-2021-27459","record":{"aliases":["GHSA-vg6w-cm2v-xcf3"],"analysis":{"component_type":"ics_ot","fix_type":"no_fix_stated","impacts":["code_execution"],"network_reachable":"yes","non_default_config":false,"product_category":"Gas Analyzer","requires_auth":"none","summary":"Attackers can upload unvalidated files to the Emerson Rosemount X-STREAM Gas Analyzer webserver to execute arbitrary code.","user_interaction":"not_required","vuln_class":"file_upload"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"icscert","cpe":[{"product":"x-stream_enhanced_xefd_firmware","vendor":"emerson"},{"product":"x-stream_enhanced_xegk_firmware","vendor":"emerson"},{"product":"x-stream_enhanced_xegp_firmware","vendor":"emerson"},{"product":"x-stream_enhanced_xexf_firmware","vendor":"emerson"}],"cvss":{"score":9.8,"severity":"critical","source":"nvd","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-434","name":"Unrestricted Upload of File with Dangerous Type"}],"description":"A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer. The webserver of the affected products allows unvalidated files to be uploaded, which an attacker could utilize to execute arbitrary code.","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":"File upload in Emerson Rosemount X-STREAM Gas Analyzer","id":"CVE-2021-27459","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"file_upload","year":"2021"},"n_packages":0,"n_references":1,"next":{"headline":"Rockwell Automation FactoryTalk AssetCentre Deserialization of Untrusted Data","id":"CVE-2021-27460"},"packages":[],"prev":{"headline":"Denial of service in JTEKT Corporation TOYOPUC products","id":"CVE-2021-27458"},"products":["Emerson Rosemount X-STREAM Gas Analyzer"],"published":"2021-05-20","related":[{"cvss_score":7.5,"headline":"Weak cryptography in Emerson Rosemount X-STREAM Gas Analyzer","id":"CVE-2021-27457","kev_date_added":null,"published":"2021-05-20"},{"cvss_score":7.5,"headline":"Path traversal in Emerson Rosemount X-STREAM Gas Analyzer","id":"CVE-2021-27461","kev_date_added":null,"published":"2021-05-20"},{"cvss_score":7.5,"headline":"Auth bypass in Emerson Rosemount X-STREAM Gas Analyzer","id":"CVE-2020-27254","kev_date_added":null,"published":"2020-12-21"},{"cvss_score":6.1,"headline":"Cross-site scripting in Emerson Rosemount X-STREAM Gas Analyzer","id":"CVE-2021-27465","kev_date_added":null,"published":"2021-05-20"},{"cvss_score":6.1,"headline":"Cross-site request forgery in Emerson Rosemount X-STREAM Gas Analyzer","id":"CVE-2021-27467","kev_date_added":null,"published":"2021-05-20"},{"cvss_score":5.3,"headline":"Information disclosure in Emerson Rosemount X-STREAM Gas Analyzer","id":"CVE-2021-27463","kev_date_added":null,"published":"2021-05-20"}],"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":"2024-08-03","vendors":["n/a"]},"summary":"Attackers can upload unvalidated files to the Emerson Rosemount X-STREAM Gas Analyzer webserver to execute arbitrary code.","url":"https://insights.sbomify.com/CVE-2021-27459/"}