{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2019-16026 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2019-16026 yet. Limit exposure of the affected software until one is available.","what":"CVE-2019-16026 is a medium-severity denial of service vulnerability in Cisco ASR 5000 Series Software, published on 26 Jan 2020. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2019-16026 and fix it if it is affected.\n\nWhat it is: CVE-2019-16026 is a medium-severity denial of service vulnerability in Cisco ASR 5000 Series Software, published on 26 Jan 2020. 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-2019-16026 in the wild and no public exploit code.\n\nAffected product: Cisco ASR 5000 Series Software. 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-2019-16026/ (Markdown: https://insights.sbomify.com/CVE-2019-16026/index.md)","id":"CVE-2019-16026","markdown":"https://insights.sbomify.com/CVE-2019-16026/index.md","name":"CVE-2019-16026","record":{"aliases":["GHSA-fhjc-mpvv-5r8g"],"analysis":{"component_type":"network_device","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Cisco Mobility Management Entity","requires_auth":"none","summary":"An unauthenticated remote attacker can cause a denial of service on connected eNodeBs by sending crafted SCTP messages to the Cisco MME.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"cisco","cpe":[{"product":"staros","vendor":"cisco"}],"cvss":{"score":6.8,"severity":"medium","source":"cna","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","version":"3.0"},"cwes":[{"id":"CWE-20","name":"Improper Input Validation"}],"description":"A vulnerability in the implementation of the Stream Control Transmission Protocol (SCTP) on Cisco Mobility Management Entity (MME) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an eNodeB that is connected to an affected device. The vulnerability is due to insufficient input validation of SCTP traffic. An attacker could exploit this vulnerability by leveraging a man-in-the-middle position between the eNodeB and the MME and then sending a crafted SCTP message to the MME. A successful exploit would cause the MME to stop sending SCTP messages to the eNodeB, triggering a DoS condition.","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":"Cisco Mobility Management Entity Denial of Service Vulnerability","id":"CVE-2019-16026","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"denial_of_service","year":"2019"},"n_packages":0,"n_references":1,"next":{"headline":"Cisco IOS XR Software Intermediate System–to–Intermediate System Denial of Service Vulnerability","id":"CVE-2019-16027"},"packages":[],"prev":{"headline":"Cisco Emergency Responder Stored Cross-Site Scripting Vulnerability","id":"CVE-2019-16025"},"products":["Cisco ASR 5000 Series Software"],"published":"2020-01-26","related":[{"cvss_score":8.8,"headline":"Auth bypass in Cisco ASR 5000 Series Software","id":"CVE-2023-20046","kev_date_added":null,"published":"2023-05-09"},{"cvss_score":8.6,"headline":"Cisco StarOS Denial of Service Vulnerability","id":"CVE-2019-1869","kev_date_added":null,"published":"2019-06-20"},{"cvss_score":8.6,"headline":"Denial of service in Cisco StarOS unknown","id":"CVE-2018-0369","kev_date_added":null,"published":"2018-07-16"},{"cvss_score":8.2,"headline":"Command injection in Cisco StarOS","id":"CVE-2017-6707","kev_date_added":null,"published":"2017-07-06"},{"cvss_score":8.1,"headline":"Cisco ASR 5000 Series Software Authorization Bypass Vulnerabilities","id":"CVE-2021-1539","kev_date_added":null,"published":"2021-06-04"},{"cvss_score":8.1,"headline":"Cisco ASR 5000 Series Software Authorization Bypass Vulnerabilities","id":"CVE-2021-1540","kev_date_added":null,"published":"2021-06-04"},{"cvss_score":7.5,"headline":"Denial of service in Cisco StarOS","id":"CVE-2018-0239","kev_date_added":null,"published":"2018-04-19"}],"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":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2024-11-15","vendors":["Cisco"]},"summary":"An unauthenticated remote attacker can cause a denial of service on connected eNodeBs by sending crafted SCTP messages to the Cisco MME.","url":"https://insights.sbomify.com/CVE-2019-16026/"}