Vulnerability-Lookup

FKIE_CVE-2026-20191

Vulnerability from fkie_nvd - Published: 2026-07-01 17:16 - Updated: 2026-09-17 19:41

Severity

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 Center could allow an unauthenticated, remote attacker to read arbitrary files from a restricted container. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to read arbitrary files from a restricted container of the affected device.

References

	URL	Tags
	psirt@cisco.com	https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-catc-file-read-wLH2vf8X	Vendor Advisory

Impacted products

Vendor	Product	Version
cisco	catalyst_center	*
cisco	catalyst_center	*
cisco	catalyst_center_global_manager	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "product": "Cisco Catalyst Center",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "2.3.7.0-VA"
            },
            {
              "status": "affected",
              "version": "2.3.7.5-VA"
            },
            {
              "status": "affected",
              "version": "2.3.7.6-VA"
            },
            {
              "status": "affected",
              "version": "2.3.7.7-VA"
            },
            {
              "status": "affected",
              "version": "2.3.7.9-VA"
            },
            {
              "status": "affected",
              "version": "3.1.3"
            },
            {
              "status": "affected",
              "version": "3.1.3-VA"
            },
            {
              "status": "affected",
              "version": "2.3.7.10-VA"
            },
            {
              "status": "affected",
              "version": "3.1.5"
            },
            {
              "status": "affected",
              "version": "3.1.5-VA"
            },
            {
              "status": "affected",
              "version": "3.1.5-VA on AWS"
            },
            {
              "status": "affected",
              "version": "3.1.5-RevUp"
            },
            {
              "status": "affected",
              "version": "3.1.6"
            },
            {
              "status": "affected",
              "version": "3.1.6-VA"
            },
            {
              "status": "affected",
              "version": "3.1.6-BETA"
            },
            {
              "status": "affected",
              "version": "3.1.6-GSMU100"
            },
            {
              "status": "affected",
              "version": "3.1.6-VA-GSMU100"
            }
          ]
        }
      ],
      "source": "psirt@cisco.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:cisco:catalyst_center:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4AF7BD4B-F1E3-4C22-9466-10778ED5603C",
              "versionEndIncluding": "2.3.7.11",
              "versionStartIncluding": "2.3.7.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:cisco:catalyst_center:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5C708AD2-6D78-4708-A684-EEA9B1980951",
              "versionEndExcluding": "3.1.6-75524.200",
              "versionStartIncluding": "3.1.3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:cisco:catalyst_center_global_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "47F314DC-372A-40F8-9A1D-053DECFF9FAD",
              "versionEndExcluding": "1.4.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in Cisco Catalyst Center could allow an unauthenticated, remote attacker to read arbitrary files from a restricted container.\u0026nbsp;\r\n\r\nThis vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to read arbitrary files from a restricted container of the affected device."
    }
  ],
  "id": "CVE-2026-20191",
  "lastModified": "2026-09-17T19:41:27.380",
  "metrics": {
    "cvssMetricV31": [
      {
        "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": "psirt@cisco.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-20191",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-01T17:18:27.744122Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-01T17:16:29.330",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-catc-file-read-wLH2vf8X"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "psirt@cisco.com",
      "type": "Secondary"
    }
  ]
}

CVE-2026-20191 (GCVE-0-2026-20191)

Vulnerability from cvelistv5 – Published: 2026-07-01 16:27 – Updated: 2026-07-01 17:25

Title

Cisco Catalyst Center Arbitrary File Read Vulnerability

Summary

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-01 17:18 UTC

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

cisco mitre root

References

1 reference

URL	Tags
https://sec.cloudapps.cisco.com/security/center/c…

Impacted products

1 product

Vendor	Product	Version
Cisco	Cisco Catalyst Center	Affected: 2.3.7.0-VA Affected: 2.3.7.5-VA Affected: 2.3.7.6-VA Affected: 2.3.7.7-VA Affected: 2.3.7.9-VA Affected: 3.1.3 Affected: 3.1.3-VA Affected: 2.3.7.10-VA Affected: 3.1.5 Affected: 3.1.5-VA Affected: 3.1.5-VA on AWS Affected: 3.1.5-RevUp Affected: 3.1.6 Affected: 3.1.6-VA Affected: 3.1.6-BETA Affected: 3.1.6-GSMU100 Affected: 3.1.6-VA-GSMU100

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-20191",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-01T17:18:27.744122Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-01T17:25:09.294Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Cisco Catalyst Center",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "2.3.7.0-VA"
            },
            {
              "status": "affected",
              "version": "2.3.7.5-VA"
            },
            {
              "status": "affected",
              "version": "2.3.7.6-VA"
            },
            {
              "status": "affected",
              "version": "2.3.7.7-VA"
            },
            {
              "status": "affected",
              "version": "2.3.7.9-VA"
            },
            {
              "status": "affected",
              "version": "3.1.3"
            },
            {
              "status": "affected",
              "version": "3.1.3-VA"
            },
            {
              "status": "affected",
              "version": "2.3.7.10-VA"
            },
            {
              "status": "affected",
              "version": "3.1.5"
            },
            {
              "status": "affected",
              "version": "3.1.5-VA"
            },
            {
              "status": "affected",
              "version": "3.1.5-VA on AWS"
            },
            {
              "status": "affected",
              "version": "3.1.5-RevUp"
            },
            {
              "status": "affected",
              "version": "3.1.6"
            },
            {
              "status": "affected",
              "version": "3.1.6-VA"
            },
            {
              "status": "affected",
              "version": "3.1.6-BETA"
            },
            {
              "status": "affected",
              "version": "3.1.6-GSMU100"
            },
            {
              "status": "affected",
              "version": "3.1.6-VA-GSMU100"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in Cisco Catalyst Center could allow an unauthenticated, remote attacker to read arbitrary files from a restricted container.\u0026nbsp;\r\n\r\nThis vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to read arbitrary files from a restricted container of the affected device."
        }
      ],
      "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": 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"
          },
          "format": "cvssV3_1"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
              "lang": "en",
              "type": "cwe"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-01T16:27:32.642Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "cisco-sa-catc-file-read-wLH2vf8X",
          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-catc-file-read-wLH2vf8X"
        }
      ],
      "source": {
        "advisory": "cisco-sa-catc-file-read-wLH2vf8X",
        "defects": [
          "CSCwt73509"
        ],
        "discovery": "INTERNAL"
      },
      "title": "Cisco Catalyst Center Arbitrary File Read Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2026-20191",
    "datePublished": "2026-07-01T16:27:32.642Z",
    "dateReserved": "2025-10-08T11:59:15.395Z",
    "dateUpdated": "2026-07-01T17:25:09.294Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
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.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.