{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-5090", "assignerOrgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7", "state": "PUBLISHED", "assignerShortName": "Arista", "dateReserved": "2025-05-22T16:26:48.444Z", "datePublished": "2026-06-05T15:49:27.770Z", "dateUpdated": "2026-06-09T14:37:26.091Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7", "shortName": "Arista", "dateUpdated": "2026-06-05T15:49:27.770Z"}, "title": "Arista CloudVision Exchange Cluster Instability via Unexpected Switch Messages", "datePublic": "2025-11-18T16:46:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-20", "description": "CWE-20: Improper Input Validation", "type": "CWE"}]}], "affected": [{"vendor": "Arista Networks", "product": "EOS / CloudVision eXchange (CVX)", "platforms": ["CloudVision eXchange", "virtual or physical appliance"], "versions": [{"status": "affected", "version": "4.34.0F", "lessThanOrEqual": "4.34.1F", "versionType": "custom"}, {"status": "affected", "version": "4.33.0M", "lessThanOrEqual": "4.33.4M", "versionType": "custom"}, {"status": "affected", "version": "4.32.0M", "lessThanOrEqual": "4.32.6M", "versionType": "custom"}, {"status": "affected", "version": "4.31.0", "lessThan": "4.32.0", "versionType": "custom"}, {"status": "affected", "version": "4.30.0", "lessThan": "4.31.0", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "CVX is not resilient to unexpected messages from a connected switch. This leads to agent crashes on CVX causing instability in the CVX cluster. An attacker could use this behavior to create a denial of service (DoS) scenario. Note that this would require the attacker to have a high privilege access to the connected switch to be able to send custom TCP packets to the CVX.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>CVX is not resilient to unexpected messages from a connected switch. This leads to agent crashes on CVX causing instability in the CVX cluster. An attacker could use this behavior to create a denial of service (DoS) scenario. Note that this would require the attacker to have a high privilege access to the connected switch to be able to send custom TCP packets to the CVX.</p>"}]}], "references": [{"url": "https://www.arista.com/en/support/advisories-notices/security-advisory/22868-security-advisory-0126", "tags": ["vendor-advisory"]}], "configurations": [{"lang": "en", "value": "In order to be vulnerable to CVE-2025-5090, the following condition must be met: CVX must be configured:\n\n\n\n\ncvx1#show cvx\n Status: Enabled\n Mode: Standalone\n Heartbeat interval: 20.0\n Heartbeat timeout: 60.0\n Client connection state preserving: Disabled\n \ncvx1#show running-config section cvx\ncvx\n no shutdown", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>In order to be vulnerable to CVE-2025-5090, the following condition must be met: CVX must be configured:</p>\n<pre><code>cvx1#show cvx\n Status: Enabled\n Mode: Standalone\n Heartbeat interval: 20.0\n Heartbeat timeout: 60.0\n Client connection state preserving: Disabled\n \ncvx1#show running-config section cvx\ncvx\n no shutdown</code></pre>"}]}], "workarounds": [{"lang": "en", "value": "There is no mitigation for this issue.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>There is no mitigation for this issue.</p>"}]}], "solutions": [{"lang": "en", "value": "The recommended resolution is to upgrade to a remediated software version at your earliest convenience. CVE-2025-5090 has been fixed in the following releases:\n\n\n\n * 4.34.2F and later releases in the 4.34.x train\n\n * 4.33.5M and later releases in the 4.33.x train\n\n * 4.32.7M and later releases in the 4.32.x train", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>The recommended resolution is to upgrade to a remediated software version at your earliest convenience. 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CVE-2025-5090 has been fixed in the following releases:</p>\n<ul>\n <li>4.34.2F and later releases in the 4.34.x train</li>\n <li>4.33.5M and later releases in the 4.33.x train</li>\n <li>4.32.7M and later releases in the 4.32.x train</li>\n</ul>", "base64": false}]}], "datePublic": "2025-11-18T16:46:00.000Z", "references": [{"url": "https://www.arista.com/en/support/advisories-notices/security-advisory/22868-security-advisory-0126", "tags": ["vendor-advisory"]}], "workarounds": [{"lang": "en", "value": "There is no mitigation for this issue.", "supportingMedia": [{"type": "text/html", "value": "<p>There is no mitigation for this issue.</p>", "base64": false}]}], "x_generator": {"engine": "Vulnogram"}, "descriptions": [{"lang": "en", "value": "CVX is not resilient to unexpected messages from a connected switch. This leads to agent crashes on CVX causing instability in the CVX cluster. An attacker could use this behavior to create a denial of service (DoS) scenario. 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{"affected": [{"configurations": [{"platform": ["cloudvision_exchange", "virtual_or_physical_appliance"], "status": "affected", "versions": {"scheme": "generic", "value": "[4.34.0F,4.34.1F]"}}, {"platform": ["cloudvision_exchange", "virtual_or_physical_appliance"], "status": "affected", "versions": {"scheme": "generic", "value": "[4.33.0M,4.33.4M]"}}, {"platform": ["cloudvision_exchange", "virtual_or_physical_appliance"], "status": "affected", "versions": {"scheme": "generic", "value": "[4.32.0M,4.32.6M]"}}, {"platform": ["cloudvision_exchange", "virtual_or_physical_appliance"], "status": "affected", "versions": {"scheme": "generic", "value": "[4.31.0,4.32.0)"}}, {"platform": ["cloudvision_exchange", "virtual_or_physical_appliance"], "status": "affected", "versions": {"scheme": "generic", "value": "[4.30.0,4.31.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "EOS / CloudVision eXchange (CVX)", "source": "cna", "vendor": "Arista Networks"}, "product": "cloudvision_exchange", "vendor": "arista"}], "created": "2026-06-05T18:00:15.429140+00:00", "updated": "2026-06-07T11:16:27.496509+00:00", "vendors": ["arista", "arista$PRODUCT$cloudvision_exchange"]}