CVE-2024-12378 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact total

No data.

No data.

No data.

References

Link	Providers
https://www.arista.com/en/support/advisories-notices/security-advisory/21289-security-advisory-0113

History

Thu, 08 May 2025 20:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Thu, 08 May 2025 19:15:00 +0000

Type	Values Removed	Values Added
Description		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.
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.
Weaknesses		CWE-319
References		https://www.arista.com/en/support/advisories-notices/security-advisory/21289-security-advisory-0113
Metrics		cvssV3_1 `{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}`

MITRE

Status: PUBLISHED

Assigner: Arista

Published: 2025-05-08T19:05:22.320Z

Updated: 2025-05-08T19:18:27.314Z

Reserved: 2024-12-09T18:19:27.219Z

Link: CVE-2024-12378

Vulnrichment

Updated: 2025-05-08T19:18:23.076Z

NVD

Status : Received

Published: 2025-05-08T19:15:57.320

Modified: 2025-05-08T19:15:57.320

Link: CVE-2024-12378

Redhat

No data.

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Arista recommends customers move to the latest version of each release that contains all the fixes listed below. For more information about upgrading see <a target=\"_blank\" rel=\"nofollow\" href=\"https://www.arista.com/en/um-eos/eos-upgrades-and-downgrades\">EOS User Manual: Upgrades and Downgrades</a></p><div> </div><div>CVE-2024-12378 has been fixed in the following releases:</div><ul><li>4.33.0F and later releases in the 4.33.x train</li><li>4.32.3M and later releases in the 4.32.x train</li><li>4.31.7M and later releases in the 4.31.x train</li><li>4.30.9M and later releases in the 4.30.x train</li><li>4.29.10M and later releases in the 4.29.x train</li></ul><br>"}], "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\u00a0\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": "<p>The workaround is to remove and re-apply security profiles for each secure VTEP.</p><pre>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</pre><br>"}], "value": "The workaround is to remove and re-apply security profiles for each secure VTEP.\n\nswitch> show vxlan security profile\nVTEP \u00a0 \u00a0 \u00a0 \u00a0 Security Profile\n------------- ----------------\n1.0.2.1 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 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"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-12378", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-05-08T19:16:38.893940Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-05-08T19:18:23.076Z"}}], "cna": {"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.", "source": {"defect": ["BUG 997526"], "advisory": "113", "discovery": "INTERNAL"}, "impacts": [{"capecId": "CAPEC-679", "descriptions": [{"lang": "en", "value": "CAPEC-679 Exploitation of Improperly Configured or Implemented Memory Protections"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Arista Networks", "product": "CloudVision Portal", "versions": [{"status": "affected", "version": "4.32.0", "versionType": "custom", "lessThanOrEqual": "4.32.2F"}, {"status": "affected", "version": "4.31.0", "versionType": "custom", "lessThanOrEqual": "4.31.6M"}, {"status": "affected", "version": "4.30.0", "versionType": "custom", "lessThanOrEqual": "4.30.8M"}, {"status": "affected", "version": "4.29.0", "versionType": "custom", "lessThanOrEqual": "4.29.9M"}, {"status": "affected", "version": "4.28.0", "versionType": "custom", "lessThanOrEqual": "4.28.12M"}, {"status": "affected", "version": "4.27.0", "versionType": "custom", "lessThanOrEqual": "4.27.12M"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "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\u00a0\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", "supportingMedia": [{"type": "text/html", "value": "<p>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 <a target=\"_blank\" rel=\"nofollow\" href=\"https://www.arista.com/en/um-eos/eos-upgrades-and-downgrades\">EOS User Manual: Upgrades and Downgrades</a></p><div> </div><div>CVE-2024-12378 has been fixed in the following releases:</div><ul><li>4.33.0F and later releases in the 4.33.x train</li><li>4.32.3M and later releases in the 4.32.x train</li><li>4.31.7M and later releases in the 4.31.x train</li><li>4.30.9M and later releases in the 4.30.x train</li><li>4.29.10M and later releases in the 4.29.x train</li></ul><br>", "base64": false}]}], "references": [{"url": "https://www.arista.com/en/support/advisories-notices/security-advisory/21289-security-advisory-0113"}], "workarounds": [{"lang": "en", "value": "The workaround is to remove and re-apply security profiles for each secure VTEP.\n\nswitch> show vxlan security profile\nVTEP \u00a0 \u00a0 \u00a0 \u00a0 Security Profile\n------------- ----------------\n1.0.2.1 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 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", "supportingMedia": [{"type": "text/html", "value": "<p>The workaround is to remove and re-apply security profiles for each secure VTEP.</p><pre>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</pre><br>", "base64": false}]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "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.", "supportingMedia": [{"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.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-319", "description": "CWE-319 Cleartext Transmission of Sensitive Information"}]}], "configurations": [{"lang": "en", "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 \u201cshow ip security connection\u201d is empty if Secure Vxlan isn\u2019t configured.\n\nswitch> show ip security connection\nLegend: (P) policy based VPN tunnel\nTunnel \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Source \u00a0 \u00a0 Dest \u00a0 \u00a0 \u00a0 \u00a0Status \u00a0 \u00a0 \u00a0 Uptime \u00a0 \u00a0 Input \u00a0 \u00a0Output \u00a0 \u00a0 Rekey Time\nvxlansec-default-1.0.2.1 1.0.1.1 \u00a0 1.0.2.1 \u00a0 Established\u00a0 19 minutes 0 bytes \u00a0152 bytes \u00a024 minutes\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0 pkts \u00a0 \u00a02 pkts\n\n\n\u00a0\n\nA normal encrypted connection will show the status as \u201cestablished\u201d.", "supportingMedia": [{"type": "text/html", "value": "<p>In order to be vulnerable to CVE-2024-12378, the following condition must be met:</p><p>Secure Vxlan must be configured.</p><p>The output of \u201cshow ip security connection\u201d is empty if Secure Vxlan isn\u2019t configured.</p><pre>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   <b>Established</b>  19 minutes 0 bytes  152 bytes  24 minutes\n                                                                          0 pkts    2 pkts\n</pre><div> </div><p>A normal encrypted connection will show the status as \u201cestablished\u201d.</p><br>", "base64": false}]}], "providerMetadata": {"orgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7", "shortName": "Arista", "dateUpdated": "2025-05-08T19:05:22.320Z"}}}, "cveMetadata": {"cveId": "CVE-2024-12378", "state": "PUBLISHED", "dateUpdated": "2025-05-08T19:18:27.314Z", "dateReserved": "2024-12-09T18:19:27.219Z", "assignerOrgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7", "datePublished": "2025-05-08T19:05:22.320Z", "assignerShortName": "Arista"}, "dataVersion": "5.1"}