{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2023-20251 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2023-20251 yet. Limit exposure of the affected software until one is available.","what":"CVE-2023-20251 is a medium-severity denial of service vulnerability in Cisco Mobility Express, published on 27 Sep 2023. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2023-20251 and fix it if it is affected.\n\nWhat it is: CVE-2023-20251 is a medium-severity denial of service vulnerability in Cisco Mobility Express, published on 27 Sep 2023. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2023-20251 in the wild and no public exploit code.\n\nAffected product: Cisco Mobility Express. 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-2023-20251/ (Markdown: https://insights.sbomify.com/CVE-2023-20251/index.md)","id":"CVE-2023-20251","markdown":"https://insights.sbomify.com/CVE-2023-20251/index.md","name":"CVE-2023-20251","record":{"aliases":["GHSA-96j4-p2p4-vfgj"],"analysis":{"component_type":"network_device","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Cisco Wireless LAN Controller","requires_auth":"none","summary":"An unauthenticated adjacent attacker can cause a device reboot via memory leaks by triggering multiple client connections, resulting in denial of service.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"cisco","cpe":[{"product":"mobility_express_software","vendor":"cisco"}],"cvss":{"score":6.1,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","version":"3.1"},"cwes":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer"},{"id":"CWE-401","name":"Missing Release of Memory after Effective Lifetime"}],"description":"A vulnerability in the memory buffer of Cisco Wireless LAN Controller (WLC) AireOS Software could allow an unauthenticated, adjacent attacker to cause memory leaks that could eventually lead to a device reboot.\r\n\r This vulnerability is due to memory leaks caused by multiple clients connecting under specific conditions. An attacker could exploit this vulnerability by causing multiple wireless clients to attempt to connect to an access point (AP) on an affected device. A successful exploit could allow the attacker to cause the affected device to reboot after a significant amount of time, resulting in a denial of service (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":"Denial of service in Cisco Mobility Express","id":"CVE-2023-20251","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"denial_of_service","year":"2023"},"n_packages":0,"n_references":1,"next":{"headline":"Auth bypass in Cisco SD-WAN vManage","id":"CVE-2023-20252"},"packages":[],"prev":{"headline":"Memory corruption in Cisco Small Business RV Series Router Firmware","id":"CVE-2023-20250"},"products":["Cisco Mobility Express","Cisco Wireless LAN Controller (WLC)"],"published":"2023-09-27","related":[{"cvss_score":7.5,"headline":"Privilege escalation in Cisco Aironet 1800, 2800, and 3800 Series Access Points","id":"CVE-2018-0226","kev_date_added":null,"published":"2018-05-02"}],"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":"2024-08-02","vendors":["Cisco"]},"summary":"An unauthenticated adjacent attacker can cause a device reboot via memory leaks by triggering multiple client connections, resulting in denial of service.","url":"https://insights.sbomify.com/CVE-2023-20251/"}