{"answers":{"affected":"It affects 2 products.","exploited":"There is no known exploitation of CVE-2019-18269 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2019-18269 yet. Limit exposure of the affected software until one is available.","what":"CVE-2019-18269 is a high-severity missing authorization vulnerability in Omron PLC CJ Series, published on 16 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2019-18269 and fix it if it is affected.\n\nWhat it is: CVE-2019-18269 is a high-severity missing authorization vulnerability in Omron PLC CJ Series, published on 16 Dec 2019. 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-2019-18269 in the wild and no public exploit code.\n\nAffected product: Omron PLC CJ Series. 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-2019-18269/ (Markdown: https://insights.sbomify.com/CVE-2019-18269/index.md)","id":"CVE-2019-18269","markdown":"https://insights.sbomify.com/CVE-2019-18269/index.md","name":"CVE-2019-18269","record":{"aliases":["GHSA-5xrh-m4jr-pgwp"],"analysis":{"component_type":"ics_ot","fix_type":"no_fix_stated","impacts":["security_bypass"],"network_reachable":"yes","non_default_config":false,"product_category":"Omron PLC","requires_auth":"none","summary":"Attackers can bypass access controls on Omron PLCs due to unrestricted external lock access, potentially compromising industrial control systems.","user_interaction":"not_required","vuln_class":"missing_authorization"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"icscert","cpe":[{"product":"plc_cj_firmware","vendor":"omron"},{"product":"plc_cs_firmware","vendor":"omron"}],"cvss":{"score":8.6,"severity":"high","source":"cisa-adp","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","version":"3.1"},"cwes":[{"id":"CWE-412","name":"Unrestricted Externally Accessible Lock"}],"description":"Omron’s CS and CJ series PLCs have an unrestricted externally accessible lock vulnerability.","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":"Missing authorization in Omron PLC CJ Series","id":"CVE-2019-18269","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"missing_authorization","year":"2019"},"n_packages":0,"n_references":2,"next":{"headline":"Cross-site request forgery in OSIsoft PI Vision","id":"CVE-2019-18271"},"packages":[],"prev":{"headline":"Cross-site scripting in GE S2020/S2020G Fast Switch 61850","id":"CVE-2019-18267"},"products":["Omron PLC CJ Series","Omron PLC CS series","Omron PLC NX1P2 series"],"published":"2019-12-16","related":[{"cvss_score":9.8,"headline":"Other in Omron PLC CJ and CS Series","id":"CVE-2019-18259","kev_date_added":null,"published":"2019-12-16"},{"cvss_score":9.8,"headline":"Auth bypass in Omron PLC CJ, CS and NJ Series","id":"CVE-2019-18261","kev_date_added":null,"published":"2019-12-16"},{"cvss_score":8.1,"headline":"Other in Omron PLC CJ and CS Series","id":"CVE-2019-13533","kev_date_added":null,"published":"2019-12-16"}],"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":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-06-02","vendors":["Omron"]},"summary":"Attackers can bypass access controls on Omron PLCs due to unrestricted external lock access, potentially compromising industrial control systems.","url":"https://insights.sbomify.com/CVE-2019-18269/"}