{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2024-12378", "assignerOrgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7", "state": "PUBLISHED", "assignerShortName": "Arista", "dateReserved": "2024-12-09T18:19:27.219Z", "datePublished": "2025-05-08T19:05:22.320Z", "dateUpdated": "2025-05-08T19:18:27.314Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "CloudVision Portal", "vendor": "Arista Networks", "versions": [ { "lessThanOrEqual": "4.32.2F", "status": "affected", "version": "4.32.0", "versionType": "custom" }, { "lessThanOrEqual": "4.31.6M", "status": "affected", "version": "4.31.0", "versionType": "custom" }, { "lessThanOrEqual": "4.30.8M", "status": "affected", "version": "4.30.0", "versionType": "custom" }, { "lessThanOrEqual": "4.29.9M", "status": "affected", "version": "4.29.0", "versionType": "custom" }, { "lessThanOrEqual": "4.28.12M", "status": "affected", "version": "4.28.0", "versionType": "custom" }, { "lessThanOrEqual": "4.27.12M", "status": "affected", "version": "4.27.0", "versionType": "custom" } ] } ], "configurations": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "

In order to be vulnerable to CVE-2024-12378, the following condition must be met:

Secure Vxlan must be configured.

The output of “show ip security connection” is empty if Secure Vxlan isn’t configured.

switch> show ip security connection\nLegend: (P) policy based VPN tunnel\nTunnel                   Source      Dest        Status        Uptime      Input     Output     Rekey       Time\nvxlansec-default-1.0.2.1 1.0.1.1     1.0.2.1     Established     19 minutes  0 bytes   152 bytes              24 minutes\n                                                                           0 pkts    2 pkts\n
 

A normal encrypted connection will show the status as “established”.


" } ], "value": "In order to be vulnerable to CVE-2024-12378, the following condition must be met:\n\nSecure Vxlan must be configured.\n\nThe output of “show ip security connection” is empty if Secure Vxlan isn’t configured.\n\nswitch> show ip security connection\nLegend: (P) policy based VPN tunnel\nTunnel           Source     Dest        Status       Uptime     Input    Output     Rekey Time\nvxlansec-default-1.0.2.1 1.0.1.1   1.0.2.1   Established  19 minutes 0 bytes  152 bytes  24 minutes\n                                                                          0 pkts    2 pkts\n\n\n \n\nA normal encrypted connection will show the status as “established”." } ], "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "On affected platforms running Arista EOS with secure Vxlan configured, restarting the Tunnelsec agent will result in packets being sent over the secure Vxlan tunnels in the clear." } ], "value": "On affected platforms running Arista EOS with secure Vxlan configured, restarting the Tunnelsec agent will result in packets being sent over the secure Vxlan tunnels in the clear." } ], "impacts": [ { "capecId": "CAPEC-679", "descriptions": [ { "lang": "en", "value": "CAPEC-679 Exploitation of Improperly Configured or Implemented Memory Protections" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-319", "description": "CWE-319 Cleartext Transmission of Sensitive Information", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7", "shortName": "Arista", "dateUpdated": "2025-05-08T19:05:22.320Z" }, "references": [ { "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/21289-security-advisory-0113" } ], "solutions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "

The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Arista recommends customers move to the latest version of each release that contains all the fixes listed below. For more information about upgrading see EOS User Manual: Upgrades and Downgrades

 
CVE-2024-12378 has been fixed in the following releases:

" } ], "value": "The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Arista recommends customers move to the latest version of each release that contains all the fixes listed below. For more information about upgrading see EOS User Manual: Upgrades and Downgrades https://www.arista.com/en/um-eos/eos-upgrades-and-downgrades \n\n \n\nCVE-2024-12378 has been fixed in the following releases:\n\n * 4.33.0F and later releases in the 4.33.x train\n * 4.32.3M and later releases in the 4.32.x train\n * 4.31.7M and later releases in the 4.31.x train\n * 4.30.9M and later releases in the 4.30.x train\n * 4.29.10M and later releases in the 4.29.x train" } ], "source": { "advisory": "113", "defect": [ "BUG 997526" ], "discovery": "INTERNAL" }, "title": "On affected platforms running Arista EOS with secure Vxlan configured, restarting the Tunnelsec agent will result in packets being sent over the secure Vxlan tunnels in the clear.", "workarounds": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "

The workaround is to remove and re-apply security profiles for each secure VTEP.

switch> show vxlan security profile\nVTEP          Security Profile\n------------- ----------------\n1.0.2.1                     p1\nswitch> en\nswitch# config\nswitch(config)# interface vxlan 1\nswitch(config-if-Vx1)# no vxlan vtep 1.0.2.1 ip security profile p1\nswitch(config-if-Vx1)# vxlan vtep 1.0.2.1 ip security profile p1

" } ], "value": "The workaround is to remove and re-apply security profiles for each secure VTEP.\n\nswitch> show vxlan security profile\nVTEP         Security Profile\n------------- ----------------\n1.0.2.1                     p1\nswitch> en\nswitch# config\nswitch(config)# interface vxlan 1\nswitch(config-if-Vx1)# no vxlan vtep 1.0.2.1 ip security profile p1\nswitch(config-if-Vx1)# vxlan vtep 1.0.2.1 ip security profile p1" } ], "x_generator": { "engine": "Vulnogram 0.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2025-05-08T19:16:38.893940Z", "id": "CVE-2024-12378", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-05-08T19:18:27.314Z" } } ] } }