{"answers":{"affected":"It affects 216 products.","exploited":"There is no known exploitation of CVE-2023-4699 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2023-4699 yet. Limit exposure of the affected software until one is available.","what":"CVE-2023-4699 is a critical missing authorization vulnerability in Mitsubishi Electric Corporation MELSEC L Series LD77MS16, published on 6 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2023-4699 and fix it if it is affected.\n\nWhat it is: CVE-2023-4699 is a critical missing authorization vulnerability in Mitsubishi Electric Corporation MELSEC L Series LD77MS16, published on 6 Nov 2023. 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-2023-4699 in the wild and no public exploit code.\n\nAffected product: Mitsubishi Electric Corporation MELSEC L Series LD77MS16. 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-2023-4699/ (Markdown: https://insights.sbomify.com/CVE-2023-4699/index.md)","id":"CVE-2023-4699","markdown":"https://insights.sbomify.com/CVE-2023-4699/index.md","name":"CVE-2023-4699","record":{"aliases":["GHSA-q8jx-8wr3-gv52"],"analysis":{"component_type":"ics_ot","fix_type":"patch","impacts":["code_execution","data_read","data_modify","denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Mitsubishi PLC/CNC","requires_auth":"none","summary":"Remote unauthenticated attackers can execute arbitrary commands on Mitsubishi PLCs and CNCs, leading to data theft, modification, or denial of 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Verification of Data Authenticity"},{"id":"CWE-306","name":"Missing Authentication for Critical Functionality"}],"description":"Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation MELSEC-F Series CPU modules, MELSEC iQ-F Series, MELSEC iQ-R series CPU modules, MELSEC iQ-R series, MELSEC iQ-L series, MELSEC Q series, MELSEC-L series, Mitsubishi Electric CNC M800V/M80V series, Mitsubishi Electric CNC M800/M80/E80 series and Mitsubishi Electric CNC M700V/M70V/E70 series allows a remote unauthenticated attacker to execute arbitrary commands by sending specific packets to the affected products. This could lead to disclose or tamper with information by reading or writing control programs, or cause a denial-of-service (DoS) condition on the products by resetting the memory contents of the products to factory settings or resetting the products remotely.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":"2023-11-17","github_poc":1,"max_poc_stars":1,"metasploit":0,"nuclei":0,"refs":[{"date":"2023-11-17T19:55:30Z","kind":"github_poc","ref":"https://github.com/Scottzxor/Citrix-Bleed-Buffer-Overread-Demo","stars":1,"title":"This code functionally approximates the Citrix Bleed vulnerability (CVE-2023-4699)."}],"tier":"poc_unverified"},"has_fix":null,"headline":"Missing authorization in MELSEC L Series LD77MS16","id":"CVE-2023-4699","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"missing_authorization","year":"2023"},"n_packages":0,"n_references":3,"next":{"headline":"Missing Authorization in GitLab","id":"CVE-2023-4700"},"packages":[],"prev":{"headline":"Improper Input Validation in usememos/memos","id":"CVE-2023-4698"},"products":["MELSEC L Series LD77MS16","MELSEC L Series LD77MS2","MELSEC L Series LD77MS4","MELSEC Q Series Q170MSCPU","MELSEC Q Series Q172DSCPU","MELSEC Q Series Q173DSCPU","MELSEC Q Series QD77GF16","MELSEC Q Series QD77GF4","MELSEC Q Series QD77GF8","MELSEC Q Series QD77MS16","MELSEC Q Series QD77MS2","MELSEC Q Series QD77MS4","MELSEC iQ-F Series FX5-40SSC-G","MELSEC iQ-F Series FX5-40SSC-S","MELSEC iQ-F Series FX5-80SSC-G","MELSEC iQ-F Series FX5-80SSC-S","MELSEC iQ-F Series FX5S-30MR/ES","MELSEC iQ-F Series FX5S-30MT/ES","MELSEC iQ-F Series FX5S-30MT/ESS","MELSEC iQ-F Series FX5S-40MR/ES","MELSEC iQ-F Series FX5S-40MT/ES","MELSEC iQ-F Series FX5S-40MT/ESS","MELSEC iQ-F Series FX5S-60MR/ES","MELSEC iQ-F Series FX5S-60MT/ES","MELSEC iQ-F Series FX5S-60MT/ESS","MELSEC iQ-F Series FX5S-80MR/ES","MELSEC iQ-F Series FX5S-80MT/ES","MELSEC iQ-F Series 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Electric CNC M700V Series M730VW","Mitsubishi Electric CNC M700V Series M750VS","Mitsubishi Electric CNC M700V Series M750VW","Mitsubishi Electric CNC M70V Series M70V","Mitsubishi Electric CNC M80 Series M80","Mitsubishi Electric CNC M80 Series M80W","Mitsubishi Electric CNC M800 Series M800S","Mitsubishi Electric CNC M800 Series M800W","Mitsubishi Electric CNC M800V Series M800VS","Mitsubishi Electric CNC M800V Series M800VW","Mitsubishi Electric CNC M80V Series M80V","Mitsubishi Electric CNC M80V Series M80VW"],"published":"2023-11-06","related":[{"cvss_score":7.5,"headline":"Authentication Bypass Vulnerability in MELSEC-F Series main module","id":"CVE-2023-2846","kev_date_added":null,"published":"2023-06-30"}],"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)"},{"class":"open","licence":"CC0","name":"PoC-in-GitHub"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"total"},"state":"PUBLISHED","updated":"2025-12-16","vendors":["Mitsubishi Electric Corporation"]},"summary":"Remote unauthenticated attackers can execute arbitrary commands on Mitsubishi PLCs and CNCs, leading to data theft, modification, or denial of service.","url":"https://insights.sbomify.com/CVE-2023-4699/"}