{"api_version":"1","generated_at":"2026-04-22T22:49:59+00:00","cve":"CVE-2023-24545","urls":{"html":"https://cve.report/CVE-2023-24545","api":"https://cve.report/api/cve/CVE-2023-24545.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-24545","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-24545"},"summary":{"title":"CVE-2023-24545","description":"On affected platforms running Arista CloudEOS an issue in the Software Forwarding Engine (Sfe) can lead to a potential denial of service attack by sending malformed packets to the switch. This causes a leak of packet buffers and if enough malformed packets are received, the switch may eventually stop forwarding traffic.","state":"PUBLIC","assigner":"psirt@arista.com","published_at":"2023-04-12 21:15:00","updated_at":"2023-04-21 15:09:00"},"problem_types":["CWE-400"],"metrics":[],"references":[{"url":"https://www.arista.com/en/support/advisories-notices/security-advisory/17240-security-advisory-0085","name":"https://www.arista.com/en/support/advisories-notices/security-advisory/17240-security-advisory-0085","refsource":"MISC","tags":[],"title":"Security Advisory 0085 - Arista","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-24545","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-24545","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"24545","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"arista","cpe5":"cloudeos","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"24545","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"arista","cpe5":"dca-200-veos","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"psirt@arista.com","DATE_PUBLIC":"2023-04-11T21:43:00.000Z","ID":"CVE-2023-24545","STATE":"PUBLIC","TITLE":"On affected platforms running Arista CloudEOS an issue in the Software Forwarding Engine (Sfe) can lead to a potential denial of service attack by sending malformed packets to the switch."},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"EOS","version":{"version_data":[{"version_affected":"<=","version_name":"4.29.0","version_value":"4.29.1F"},{"version_affected":"<=","version_name":"4.28.0","version_value":"4.28.4M"},{"version_affected":"<=","version_name":"4.27.0","version_value":"4.27.7M"},{"version_affected":"<=","version_name":"4.26.8M","version_value":"4.26.8M"}]}}]},"vendor_name":"Arista Networks"}]}},"configuration":[{"lang":"eng","value":"In order to be vulnerable to CVE-2023-24545 and CVE-2023-24513, the switch must be configured to run the Software Forwarding Engine (Sfe). Sfe is the default configuration on CloudEOS platforms. "}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"On affected platforms running Arista CloudEOS an issue in the Software Forwarding Engine (Sfe) can lead to a potential denial of service attack by sending malformed packets to the switch. This causes a leak of packet buffers and if enough malformed packets are received, the switch may eventually stop forwarding traffic."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-400 Uncontrolled Resource Consumption"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://www.arista.com/en/support/advisories-notices/security-advisory/17240-security-advisory-0085","name":"https://www.arista.com/en/support/advisories-notices/security-advisory/17240-security-advisory-0085"}]},"solution":[{"lang":"eng","value":"The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Artista recommends customers move to the latest version of each release that contains all the fixes listed below.\n\nCVE-2023-24545 has been fixed in the following releases:\n4.29.2F and later releases in the 4.29.x train\n4.28.5M and later releases in the 4.28.x train\n4.27.8M and later releases in the 4.27.x train\n4.26.9M and later releases in the 4.26.x train\n"},{"lang":"eng","value":"The following hotfixes can be applied to remediate both CVE-2023-24545 and CVE-2023-24513. Due to the size of the hotfixes, there are multiple files. Each hotfix applies to a specific set of release trSecurityAdvisory8X_4.28_Hotfix.swixains:\n\nNote: Installing/uninstalling the SWIX will cause Sfe agent to restart and stop forwarding traffic for up to 10 seconds.\n4.29.1F and below releases in the 4.29.x Train:\nURL:SecurityAdvisory85_4.29_Hotfix.swix\nSWIX Hash:\nSHA512 (SHA-512)c965e149cbbaa8698648af9290c5a728e9fe635186eee7629b789502ef37db4a94beea5ecd20e1dc8a19c2cc8988052b625cfccf764c28b8b0e9e4eef8e79bb4Open with Google Docs\n4.28.5M and below releases in the 4.28.x train:\nURL:SecurityAdvisory85_4.28_Hotfix.swix\nSWIX Hash:\n(SHA-512)522d51c6548111d9819ef8b1523b8798ac6847012955e3f885c6f466c81468960fbd4497b45289c8f77297263111340fbdbd7003a30b64e3ef9a270ace62c079\n4.27.8M and below releases in the 4.27.x train:\nURL:SecurityAdvisory85_4.27_Hotfix.swix\nSWIX Hash:\n(SHA-512)5ce5479c11abf185f50d484204555b2dfb9b1c93e8f475d027082ca0951cbfca0f331960a1dd111b8c079264b1dab31b0a62c8daf011afb27b1283c2382747a2Open with Go\n4.26.9M and below releases in the 4.26.x train:\nURL:SecurityAdvisory85_4.26_Hotfix.swix\nSWIX Hash:\n(SHA-512)9386f12a24f35679bdeb08d506bf0bddb9703d1ef3043de2c06d09ff47f2dd0d1bd7aca0748febb5b04fbdeaed7c4ae2922086fb638c754c3a9a5384306396d2\n"}],"source":{"advisory":"85","defect":["743423"],"discovery":"INTERNAL"},"work_around":[{"lang":"eng","value":"There is no mitigation / workaround for these issues."}]},"nvd":{"publishedDate":"2023-04-12 21:15:00","lastModifiedDate":"2023-04-21 15:09:00","problem_types":["CWE-400"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:arista:cloudeos:*:*:*:*:*:*:*:*","versionStartIncluding":"4.26.0","versionEndExcluding":"4.26.9m","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:arista:cloudeos:*:*:*:*:*:*:*:*","versionStartIncluding":"4.27.0","versionEndExcluding":"4.27.8m","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:arista:cloudeos:*:*:*:*:*:*:*:*","versionStartIncluding":"4.28.0","versionEndExcluding":"4.28.5m","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:arista:cloudeos:*:*:*:*:*:*:*:*","versionStartIncluding":"4.29.0","versionEndExcluding":"4.29.2f","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:arista:dca-200-veos:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":null,"notes":[]}}}