FKIE_CVE-2026-20133

Vulnerability from fkie_nvd - Published: 2026-02-25 17:25 - Updated: 2026-04-22 16:56
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.
References
psirt@cisco.comhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4vVendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20133US Government Resource
Impacted products
Vendor Product Version
cisco catalyst_sd-wan_manager *
cisco catalyst_sd-wan_manager *
cisco catalyst_sd-wan_manager *
cisco catalyst_sd-wan_manager *
cisco catalyst_sd-wan_manager 20.12.6
To clipboard 

{
  "cisaActionDue": "2026-04-23",
  "cisaExploitAdd": "2026-04-20",
  "cisaRequiredAction": "Please adhere to CISA\u2019s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlines in CISA\u2019s Emergency Directive 26-03 (URL listed below in Notes) and CISA\u2019s \u201cHunt \u0026 Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.",
  "cisaVulnerabilityName": "Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0388BD67-C1AD-4E47-8B1A-22EE1634190E",
              "versionEndExcluding": "20.9.8.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "ADAB32B5-239D-4DC0-BF30-A6D72ACB3710",
              "versionEndExcluding": "20.12.5.3",
              "versionStartIncluding": "20.10",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D284EA84-6C27-4A9C-BDA2-D1C5BF1F2356",
              "versionEndExcluding": "20.15.4.2",
              "versionStartIncluding": "20.13",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B94E1DC2-5DA5-4238-8040-6D524DDEAA4F",
              "versionEndExcluding": "20.18.2.1",
              "versionStartIncluding": "20.16",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.12.6:*:*:*:*:*:*:*",
              "matchCriteriaId": "F5B6E170-73B8-4838-93B4-AD258F3BCA7C",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system.\r\n\r This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en Cisco Catalyst SD-WAN Manager podr\u00eda permitir a un atacante remoto no autenticado ver informaci\u00f3n sensible en un sistema afectado.\n\nEsta vulnerabilidad se debe a restricciones de acceso al sistema de archivos insuficientes. Un atacante podr\u00eda explotar esta vulnerabilidad al acceder a la API de un sistema afectado. Un exploit exitoso podr\u00eda permitir al atacante leer informaci\u00f3n sensible en el sistema operativo subyacente."
    }
  ],
  "id": "CVE-2026-20133",
  "lastModified": "2026-04-22T16:56:21.973",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "psirt@cisco.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-02-25T17:25:30.983",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20133"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "psirt@cisco.com",
      "type": "Secondary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.