{"id":"CVE-2023-24545","state":"PUBLISHED","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.","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.","publishedAt":"2023-04-12T00:00:00.000Z","updatedAt":"2025-02-07T15:50:41.522Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"Arista"},"assigner":"Arista","products":["Arista Networks EOS"],"affected":[{"vendor":"Arista Networks","product":"EOS","versions":[{"version":"4.29.0","status":"affected","lessThanOrEqual":"4.29.1F","versionType":"custom"},{"version":"4.28.0","status":"affected","lessThanOrEqual":"4.28.4M","versionType":"custom"},{"version":"4.27.0","status":"affected","lessThanOrEqual":"4.27.7M","versionType":"custom"},{"version":"4.26.8M","status":"affected","lessThanOrEqual":"4.26.8M","versionType":"custom"}]}],"references":["https://www.arista.com/en/support/advisories-notices/security-advisory/17240-security-advisory-0085"],"weaknesses":["CWE-400"],"ingestedAt":"2026-10-29T20:05:43.909Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/24xxx/CVE-2023-24545.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-24545","state":"PUBLISHED","datePublished":"2023-04-12T00:00:00.000Z","dateUpdated":"2025-02-07T15:50:41.522Z","assignerShortName":"Arista","assignerOrgId":"c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7","dateReserved":"2023-01-26T00:00:00.000Z"},"containers":{"cna":{"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.","descriptions":[{"lang":"en","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."}],"affected":[{"vendor":"Arista Networks","product":"EOS","versions":[{"version":"4.29.0","status":"affected","lessThanOrEqual":"4.29.1F","versionType":"custom"},{"version":"4.28.0","status":"affected","lessThanOrEqual":"4.28.4M","versionType":"custom"},{"version":"4.27.0","status":"affected","lessThanOrEqual":"4.27.7M","versionType":"custom"},{"version":"4.26.8M","status":"affected","lessThanOrEqual":"4.26.8M","versionType":"custom"}]}],"references":[{"url":"https://www.arista.com/en/support/advisories-notices/security-advisory/17240-security-advisory-0085"}],"metrics":[{"cvssV3_1":{"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","type":"CWE","lang":"en","description":"CWE-400 Uncontrolled Resource Consumption"}]}],"providerMetadata":{"shortName":"Arista","orgId":"c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7","dateUpdated":"2023-04-12T00:00:00.000Z"},"datePublic":"2023-04-11T00:00:00.000Z","x_generator":{"engine":"Vulnogram 0.0.9"},"source":{"advisory":"85","defect":["743423"],"discovery":"INTERNAL"},"configurations":[{"lang":"en","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. "}],"workarounds":[{"lang":"en","value":"There is no mitigation / workaround for these issues."}],"solutions":[{"lang":"en","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":"en","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"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.arista.com/en/support/advisories-notices/security-advisory/17240-security-advisory-0085","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T11:03:17.803Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-07T15:50:36.827968Z","id":"CVE-2023-24545","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-02-07T15:50:41.522Z"}}]}}}