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vuln-cve/data/2026/20xxx/CVE-2026-20128.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-20128",
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"state": "PUBLISHED",
"assignerShortName": "cisco",
"dateReserved": "2025-10-08T11:59:15.379Z",
"datePublished": "2026-02-25T16:14:12.353Z",
"dateUpdated": "2026-04-21T03:55:31.648Z"
},
"containers": {
"cna": {
"title": "Cisco Catalyst SD-WAN Manager Information Disclosure Vulnerability",
"metrics": [
{
"format": "cvssV3_1",
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "HIGH",
"privilegesRequired": "HIGH",
"userInteraction": "NONE",
"scope": "CHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
}
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the Data Collection Agent (DCA) feature of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain DCA user privileges on an affected system.\r\n\r\nThis vulnerability is due to the presence of a credential file for the DCA user on an affected system. An attacker could exploit this vulnerability by sending a crafted HTTP request and reading the file that contains the DCA password from that affected system. A successful exploit could allow the attacker to access another affected system and gain DCA user privileges.\r\nNote: Cisco Catalyst SD-WAN Manager releases 20.18 and later are not affected by this vulnerability."
}
],
"references": [
{
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v",
"name": "cisco-sa-sdwan-authbp-qwCX8D4v"
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in CVE-2026-20133, CVE-2026-20126, and CVE-2026-20129.\r\n\r\nIn March 2026, the Cisco PSIRT became aware of active exploitation of the vulnerabilities that are described in CVE-2026-20128 and CVE-2026-20122 only. The vulnerabilities that are described in the other CVEs in this advisory are not known to have been compromised. Cisco strongly recommends that customers upgrade to a fixed software release to remediate these vulnerabilities."
}
],
"source": {
"advisory": "cisco-sa-sdwan-authbp-qwCX8D4v",
"discovery": "INTERNAL",
"defects": [
"CSCws33585"
]
},
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "Storing Passwords in a Recoverable Format",
"type": "cwe",
"cweId": "CWE-257"
}
]
}
],
"affected": [
{
"vendor": "Cisco",
"product": "Cisco Catalyst SD-WAN Manager",
"versions": [
{
"version": "20.1.12",
"status": "affected"
},
{
"version": "19.2.1",
"status": "affected"
},
{
"version": "18.4.4",
"status": "affected"
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{
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"status": "affected"
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{
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{
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{
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{
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{
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{
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{
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"version": "19.2.4.0.8",
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{
"version": "19.2.4.0.9",
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{
"version": "20.3.4.0.1",
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"version": "20.3.2.0.5",
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"version": "20.5.1.0.2",
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"version": "20.6.1.1",
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{
"version": "20.3.2.0.6",
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"version": "20.6.0.18.4",
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"version": "20.4.2.0.2",
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"version": "20.3.3.0.16",
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"version": "20.6.1.0.1",
"status": "affected"
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"version": "20.3.4.0.6",
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"version": "20.7.1EFT2",
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"version": "20.3.4.0.25",
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{
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{
"version": "20.12.501",
"status": "affected"
},
{
"version": "26.1.1",
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}
],
"defaultStatus": "unknown"
}
],
"providerMetadata": {
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco",
"dateUpdated": "2026-03-20T21:47:33.415Z"
}
},
"adp": [
{
"references": [
{
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20128",
"tags": [
"government-resource"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-02-25T00:00:00+00:00",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3",
"id": "CVE-2026-20128"
}
}
},
{
"other": {
"type": "kev",
"content": {
"dateAdded": "2026-04-20",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20128"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-04-21T03:55:31.648Z"
},
"timeline": [
{
"time": "2026-04-20T00:00:00.000Z",
"lang": "en",
"value": "CVE-2026-20128 added to CISA KEV"
}
]
}
]
}
}
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