246 lines
11 KiB
JSON
246 lines
11 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2025-5090",
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"assignerOrgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7",
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"state": "PUBLISHED",
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"assignerShortName": "Arista",
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"dateReserved": "2025-05-22T16:26:48.444Z",
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"datePublished": "2026-06-05T15:49:27.770Z",
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"dateUpdated": "2026-06-09T14:37:26.091Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7",
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"shortName": "Arista",
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"dateUpdated": "2026-06-05T15:49:27.770Z"
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},
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"title": "Arista CloudVision Exchange Cluster Instability via Unexpected Switch Messages",
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"datePublic": "2025-11-18T16:46:00.000Z",
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-20",
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"description": "CWE-20: Improper Input Validation",
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"type": "CWE"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "Arista Networks",
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"product": "EOS / CloudVision eXchange (CVX)",
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"platforms": [
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"CloudVision eXchange",
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"virtual or physical appliance"
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],
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"versions": [
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{
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"status": "affected",
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"version": "4.34.0F",
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"lessThanOrEqual": "4.34.1F",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "4.33.0M",
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"lessThanOrEqual": "4.33.4M",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "4.32.0M",
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"lessThanOrEqual": "4.32.6M",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "4.31.0",
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"lessThan": "4.32.0",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "4.30.0",
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"lessThan": "4.31.0",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unaffected"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"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.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"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>"
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}
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]
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}
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],
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"references": [
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{
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"url": "https://www.arista.com/en/support/advisories-notices/security-advisory/22868-security-advisory-0126",
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"tags": [
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"vendor-advisory"
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]
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}
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],
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"configurations": [
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{
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"lang": "en",
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"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",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"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>"
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}
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]
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}
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],
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"workarounds": [
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{
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"lang": "en",
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"value": "There is no mitigation for this issue.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<p>There is no mitigation for this issue.</p>"
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}
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]
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}
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],
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"solutions": [
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{
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"lang": "en",
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"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",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<p>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:</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>"
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}
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]
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}
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],
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"source": {
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"defect": [
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"BUG1139764"
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],
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"advisory": "0126",
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"discovery": "INTERNAL"
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},
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"x_generator": {
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"engine": "Vulnogram"
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},
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV3_1": {
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"version": "3.1",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH",
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"baseSeverity": "MEDIUM",
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"baseScore": 6.5,
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
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}
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},
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "HIGH",
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"subAvailabilityImpact": "NONE",
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"exploitMaturity": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"valueDensity": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED",
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"version": "4.0",
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"baseSeverity": "HIGH",
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"baseScore": 7.1,
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
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}
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}
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],
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"x_capecAlignment": {
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"capecId": "CAPEC-125",
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"capecName": "Flooding / Malformed Packet",
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"justification": "An attacker with high privilege access over a downstream switch can emit unexpected or malformed TCP packets causing state management code on CVX (ControllerOob/Controllerdb) to throw unhandled faults, leading to ongoing client deregistration cycles and cluster instability."
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-06-09T14:08:56.120293Z",
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"id": "CVE-2025-5090",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-06-09T14:37:26.091Z"
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}
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}
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]
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}
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} |