{"answers":{"affected":"It affects 8 products.","exploited":"There is no known exploitation of CVE-2018-11452 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2018-11452 yet. Limit exposure of the affected software until one is available.","what":"CVE-2018-11452 is a high-severity denial of service vulnerability in Siemens AG Firmware variant DNP3 TCP for EN100 Ethernet module, published on 23 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2018-11452 and fix it if it is affected.\n\nWhat it is: CVE-2018-11452 is a high-severity denial of service vulnerability in Siemens AG Firmware variant DNP3 TCP for EN100 Ethernet module, published on 23 Jul 2018. 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-2018-11452 in the wild and no public exploit code.\n\nAffected product: Siemens AG Firmware variant DNP3 TCP for EN100 Ethernet module. 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-2018-11452/ (Markdown: https://insights.sbomify.com/CVE-2018-11452/index.md)","id":"CVE-2018-11452","markdown":"https://insights.sbomify.com/CVE-2018-11452/index.md","name":"CVE-2018-11452","record":{"aliases":["GHSA-x2m8-3rfj-36v4"],"analysis":{"component_type":"ics_ot","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":true,"product_category":"Siemens EN100 Ethernet module","requires_auth":"none","summary":"Remote attackers can cause a denial-of-service condition in Siemens EN100 modules by sending crafted packets when IEC 61850-MMS is active.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"siemens","cpe":[{"product":"cp100_firmware","vendor":"siemens"},{"product":"cp200_firmware","vendor":"siemens"},{"product":"cp300_firmware","vendor":"siemens"},{"product":"dnp3_tcp_firmware","vendor":"siemens"},{"product":"iec104_firmware","vendor":"siemens"},{"product":"iec_61850_firmware","vendor":"siemens"},{"product":"modbus_tcp_firmware","vendor":"siemens"},{"product":"profinet_io_firmware","vendor":"siemens"}],"cvss":{"score":7.5,"severity":"high","source":"nvd","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.0"},"cwes":[{"id":"CWE-20","name":"Improper Input Validation"}],"description":"A vulnerability has been identified in Firmware variant IEC 61850 for EN100 Ethernet module (All versions \u003c V4.33), Firmware variant PROFINET IO for EN100 Ethernet module (All versions), Firmware variant Modbus TCP for EN100 Ethernet module (All versions), Firmware variant DNP3 TCP for EN100 Ethernet module (All versions), Firmware variant IEC104 for EN100 Ethernet module (All versions \u003c V1.22). Specially crafted packets to port 102/tcp could cause a denial-of-service condition in the EN100 communication module if oscillographs are running. A manual restart is required to recover the EN100 module functionality. Successful exploitation requires an attacker with network access to send multiple packets to the EN100 module. As a precondition the IEC 61850-MMS communication needs to be activated on the affected EN100 modules. No user interaction or privileges are required to exploit the security vulnerability. The vulnerability could allow causing a Denial-of-Service condition of the network functionality of the device, compromising the availability of the system. At the time of advisory publication no public exploitation of this security vulnerability was known.","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":"Denial of service in Firmware variant DNP3 TCP for EN100 Ethernet module","id":"CVE-2018-11452","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"denial_of_service","year":"2018"},"n_packages":0,"n_references":3,"next":{"headline":"Misconfiguration in SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V10, V11, V12, SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V13, SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V14, SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V15","id":"CVE-2018-11453"},"packages":[],"prev":{"headline":"Denial of service in Firmware variant DNP3 TCP for EN100 Ethernet module","id":"CVE-2018-11451"},"products":["Firmware variant DNP3 TCP for EN100 Ethernet module","Firmware variant IEC 61850 for EN100 Ethernet module","Firmware variant IEC104 for EN100 Ethernet module","Firmware variant Modbus TCP for EN100 Ethernet module","Firmware variant PROFINET IO for EN100 Ethernet module"],"published":"2018-07-23","related":[{"cvss_score":7.5,"headline":"Denial of service in Firmware variant DNP3 TCP for EN100 Ethernet module","id":"CVE-2018-11451","kev_date_added":null,"published":"2018-07-23"}],"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":"2024-08-05","vendors":["Siemens AG"]},"summary":"Remote attackers can cause a denial-of-service condition in Siemens EN100 modules by sending crafted packets when IEC 61850-MMS is active.","url":"https://insights.sbomify.com/CVE-2018-11452/"}