{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2024-8935 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2024-8935 yet. Limit exposure of the affected software until one is available.","what":"CVE-2024-8935 is a high-severity authentication bypass vulnerability in Schneider Electric Modicon M340 CPU (part numbers BMXP34*), published on 13 Nov 2024. 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-2024-8935 and fix it if it is affected.\n\nWhat it is: CVE-2024-8935 is a high-severity authentication bypass vulnerability in Schneider Electric Modicon M340 CPU (part numbers BMXP34*), published on 13 Nov 2024. 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-2024-8935 in the wild and no public exploit code.\n\nAffected product: Schneider Electric Modicon M340 CPU (part numbers BMXP34*). 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-2024-8935/ (Markdown: https://insights.sbomify.com/CVE-2024-8935/index.md)","id":"CVE-2024-8935","markdown":"https://insights.sbomify.com/CVE-2024-8935/index.md","name":"CVE-2024-8935","record":{"aliases":["GHSA-6rch-pvx5-r93q"],"analysis":{"component_type":"ics_ot","fix_type":"no_fix_stated","impacts":["denial_of_service","data_read","data_modify"],"network_reachable":"yes","non_default_config":false,"product_category":"PLC controllers","requires_auth":"none","summary":"Man-in-the-middle attacks can bypass authentication in Schneider Electric PLCs, causing denial of service and data compromise.","user_interaction":"required","vuln_class":"auth_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"schneider","cpe":[],"cvss":{"score":7.7,"severity":"high","source":"cna","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-290","name":"Authentication Bypass by Spoofing"}],"description":"CWE-290: Authentication Bypass by Spoofing vulnerability exists that could cause a denial of service and loss\nof confidentiality and integrity of controllers when conducting a Man-In-The-Middle attack between the\ncontroller and the engineering workstation while a valid user is establishing a communication session. This\nvulnerability is inherent to Diffie Hellman algorithm which does not protect against Man-In-The-Middle attacks.","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":"Auth bypass in Modicon M340 CPU (part numbers BMXP34*)","id":"CVE-2024-8935","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"auth_bypass","year":"2024"},"n_packages":0,"n_references":1,"next":{"headline":"Information disclosure in Modicon M340 CPU (part numbers BMXP34*)","id":"CVE-2024-8936"},"packages":[],"prev":{"headline":"Beckhoff: Local command injection via TwinCAT Package Manager","id":"CVE-2024-8934"},"products":["Modicon M340 CPU (part numbers BMXP34*)","Modicon MC80 (part numbers BMKC80)","Modicon Momentum Unity M1E Processor (171CBU*)"],"published":"2024-11-13","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"total"},"state":"PUBLISHED","updated":"2024-11-13","vendors":["Schneider Electric"]},"summary":"Man-in-the-middle attacks can bypass authentication in Schneider Electric PLCs, causing denial of service and data compromise.","url":"https://insights.sbomify.com/CVE-2024-8935/"}