{"answers":{"affected":"It affects 4 products.","exploited":"There is no known exploitation of CVE-2021-32970 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2021-32970 yet. Limit exposure of the affected software until one is available.","what":"CVE-2021-32970 is a high-severity denial of service vulnerability in Moxa NPort IAW5000A-I/O series firmware, published on 1 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2021-32970 and fix it if it is affected.\n\nWhat it is: CVE-2021-32970 is a high-severity denial of service vulnerability in Moxa NPort IAW5000A-I/O series firmware, published on 1 Apr 2022. 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-2021-32970 in the wild and no public exploit code.\n\nAffected product: Moxa NPort IAW5000A-I/O series firmware. 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-2021-32970/ (Markdown: https://insights.sbomify.com/CVE-2021-32970/index.md)","id":"CVE-2021-32970","markdown":"https://insights.sbomify.com/CVE-2021-32970/index.md","name":"CVE-2021-32970","record":{"aliases":["GHSA-6f6v-pfrh-9h98"],"analysis":{"component_type":"network_device","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Serial Device Server","requires_auth":"none","summary":"A remote attacker can cause denial-of-service conditions in Moxa NPort IAW5000A-I/O devices due to improper input validation in the web server.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"icscert","cpe":[{"product":"nport_iaw5150a-12i\\/o_firmware","vendor":"moxa"},{"product":"nport_iaw5150a-6i\\/o_firmware","vendor":"moxa"},{"product":"nport_iaw5250a-12i\\/o_firmware","vendor":"moxa"},{"product":"nport_iaw5250a-6i\\/o_firmware","vendor":"moxa"}],"cvss":{"score":7.5,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[{"id":"CWE-20","name":"Improper Input Validation"}],"description":"Data can be copied without validation in the built-in web server in Moxa NPort IAW5000A-I/O series firmware version 2.2 or earlier, which may allow a remote attacker to cause denial-of-service conditions.","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":"Moxa NPort IAW5000A-I/O Series Serial Device Server Improper Input Validation","id":"CVE-2021-32970","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"denial_of_service","year":"2021"},"n_packages":0,"n_references":2,"next":{"headline":"AVEVA SuiteLink Server Null Pointer Dereference","id":"CVE-2021-32971"},"packages":[],"prev":{"headline":"Delta Electronics DIAScreen - Type Confusion, Out-of-bounds Write","id":"CVE-2021-32969"},"products":["NPort IAW5000A-I/O series firmware"],"published":"2022-04-01","related":[{"cvss_score":9.8,"headline":"Moxa NPort IAW5000A-I/O Series Serial Device Server Improper Input Validation","id":"CVE-2021-32974","kev_date_added":null,"published":"2022-04-01"},{"cvss_score":9.8,"headline":"Moxa NPort IAW5000A-I/O Series Serial Device Server Stack-based Buffer Overflow","id":"CVE-2021-32976","kev_date_added":null,"published":"2022-04-01"},{"cvss_score":7.5,"headline":"Moxa NPort IAW5000A-I/O Series Serial Device Server Classic Buffer Overflow","id":"CVE-2021-32968","kev_date_added":null,"published":"2022-04-01"}],"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":"2025-04-16","vendors":["Moxa"]},"summary":"A remote attacker can cause denial-of-service conditions in Moxa NPort IAW5000A-I/O devices due to improper input validation in the web server.","url":"https://insights.sbomify.com/CVE-2021-32970/"}