CVE-2026-20108 (GCVE-0-2026-20108)
Vulnerability from cvelistv5
Published
2026-03-25 16:09
Modified
2026-03-27 15:00
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface of an affected device. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of the web-based management interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.
Impacted products
Vendor Product Version
Cisco Cisco Catalyst SD-WAN Manager Version: 20.12.1
Version: 20.12.1_LI_Images
Version: 20.12.2
Version: 20.12.3
Version: 20.12.3.1
Version: 20.12.4
Version: 20.12.4.1
Version: 20.12.5
Version: 20.12.5.1
Version: 20.12.5.2
Version: 20.12.6
Version: 20.12.6.1
Version: 20.12.5.3
Version: 20.13.1
Version: 20.14.1
Version: 20.15.1
Version: 20.15.2
Version: 20.15.3
Version: 20.15.3.1
Version: 20.15.4
Version: 20.15.4.1
Version: 20.15.4.2
Version: 20.16.1
Version: 20.18.1
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-20108",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-27T15:00:20.527145Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-27T15:00:28.039Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Cisco Catalyst SD-WAN Manager",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "20.12.1"
            },
            {
              "status": "affected",
              "version": "20.12.1_LI_Images"
            },
            {
              "status": "affected",
              "version": "20.12.2"
            },
            {
              "status": "affected",
              "version": "20.12.3"
            },
            {
              "status": "affected",
              "version": "20.12.3.1"
            },
            {
              "status": "affected",
              "version": "20.12.4"
            },
            {
              "status": "affected",
              "version": "20.12.4.1"
            },
            {
              "status": "affected",
              "version": "20.12.5"
            },
            {
              "status": "affected",
              "version": "20.12.5.1"
            },
            {
              "status": "affected",
              "version": "20.12.5.2"
            },
            {
              "status": "affected",
              "version": "20.12.6"
            },
            {
              "status": "affected",
              "version": "20.12.6.1"
            },
            {
              "status": "affected",
              "version": "20.12.5.3"
            },
            {
              "status": "affected",
              "version": "20.13.1"
            },
            {
              "status": "affected",
              "version": "20.14.1"
            },
            {
              "status": "affected",
              "version": "20.15.1"
            },
            {
              "status": "affected",
              "version": "20.15.2"
            },
            {
              "status": "affected",
              "version": "20.15.3"
            },
            {
              "status": "affected",
              "version": "20.15.3.1"
            },
            {
              "status": "affected",
              "version": "20.15.4"
            },
            {
              "status": "affected",
              "version": "20.15.4.1"
            },
            {
              "status": "affected",
              "version": "20.15.4.2"
            },
            {
              "status": "affected",
              "version": "20.16.1"
            },
            {
              "status": "affected",
              "version": "20.18.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface of an affected device.\r\n\r This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of the web-based management interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "format": "cvssV3_1"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "cwe"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-25T16:09:06.788Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "cisco-sa-vmanage-xss-ZqkhP9W9",
          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-xss-ZqkhP9W9"
        }
      ],
      "source": {
        "advisory": "cisco-sa-vmanage-xss-ZqkhP9W9",
        "defects": [
          "CSCwq92731"
        ],
        "discovery": "INTERNAL"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2026-20108",
    "datePublished": "2026-03-25T16:09:06.788Z",
    "dateReserved": "2025-10-08T11:59:15.372Z",
    "dateUpdated": "2026-03-27T15:00:28.039Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…