Vulnerability-Lookup

GHSA-4Q4M-PQH7-MJ3F

Vulnerability from github – Published: 2026-05-06 18:30 – Updated: 2026-05-06 18:30

Details

This vulnerability is due to insufficient file access checks. An attacker could exploit this vulnerability by submitting crafted input in the web-based management interface. A successful exploit could allow the attacker to read files that they are not authorized to access.

Severity

6.5 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-20168"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-06T17:16:20Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability in the web-based management interface of Cisco IoT Field Network Director could allow an authenticated, remote attacker with low privileges to retrieve files that they do not have permission to access.\n\nThis vulnerability is due to insufficient file access checks. An attacker could exploit this vulnerability by submitting crafted input in the web-based management interface. A successful exploit could allow the attacker to read files that they are not authorized to access.",
  "id": "GHSA-4q4m-pqh7-mj3f",
  "modified": "2026-05-06T18:30:31Z",
  "published": "2026-05-06T18:30:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-20168"
    },
    {
      "type": "WEB",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iot-fnd-dos-n8N26Q4u"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-20168 (GCVE-0-2026-20168)

Vulnerability from cvelistv5 – Published: 2026-05-06 16:15 – Updated: 2026-05-06 17:59

Title

Cisco IoT Field Network Director Path Traversal Vulnerability

Summary

A vulnerability in the web-based management interface of Cisco IoT Field Network Director could allow an authenticated, remote attacker with low privileges to retrieve files that they do not have permission to access. This vulnerability is due to insufficient file access checks. An attacker could exploit this vulnerability by submitting crafted input in the web-based management interface. A successful exploit could allow the attacker to read files that they are not authorized to access.

Severity

6.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-06 17:59 UTC

CWE

CWE-388 - Error Handling

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 IoT Field Network Director (IoT-FND)	Affected: 4.5.1 Affected: 4.4.3 Affected: 4.1.0 Affected: 4.1.3 Affected: 4.6.1 Affected: 4.1.1 Affected: 4.4.0 Affected: 4.2.0 Affected: 4.4.2 Affected: 4.3.0 Affected: 4.6.0 Affected: 4.4.4 Affected: 4.3.2 Affected: 4.1.2 Affected: 4.4.1 Affected: 4.5.0 Affected: 4.3.1 Affected: 4.7.0 Affected: 4.6.2 Affected: 4.7.1 Affected: 4.7.2 Affected: 4.8.0 Affected: 4.8.1 Affected: 4.9.0 Affected: 4.9.1 Affected: 4.10.0 Affected: 4.9.2 Affected: 4.11.0 Affected: 4.12.0 Affected: 4.12.1

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-20168",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-06T17:59:03.972223Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-06T17:59:11.531Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Cisco IoT Field Network Director (IoT-FND)",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "4.5.1"
            },
            {
              "status": "affected",
              "version": "4.4.3"
            },
            {
              "status": "affected",
              "version": "4.1.0"
            },
            {
              "status": "affected",
              "version": "4.1.3"
            },
            {
              "status": "affected",
              "version": "4.6.1"
            },
            {
              "status": "affected",
              "version": "4.1.1"
            },
            {
              "status": "affected",
              "version": "4.4.0"
            },
            {
              "status": "affected",
              "version": "4.2.0"
            },
            {
              "status": "affected",
              "version": "4.4.2"
            },
            {
              "status": "affected",
              "version": "4.3.0"
            },
            {
              "status": "affected",
              "version": "4.6.0"
            },
            {
              "status": "affected",
              "version": "4.4.4"
            },
            {
              "status": "affected",
              "version": "4.3.2"
            },
            {
              "status": "affected",
              "version": "4.1.2"
            },
            {
              "status": "affected",
              "version": "4.4.1"
            },
            {
              "status": "affected",
              "version": "4.5.0"
            },
            {
              "status": "affected",
              "version": "4.3.1"
            },
            {
              "status": "affected",
              "version": "4.7.0"
            },
            {
              "status": "affected",
              "version": "4.6.2"
            },
            {
              "status": "affected",
              "version": "4.7.1"
            },
            {
              "status": "affected",
              "version": "4.7.2"
            },
            {
              "status": "affected",
              "version": "4.8.0"
            },
            {
              "status": "affected",
              "version": "4.8.1"
            },
            {
              "status": "affected",
              "version": "4.9.0"
            },
            {
              "status": "affected",
              "version": "4.9.1"
            },
            {
              "status": "affected",
              "version": "4.10.0"
            },
            {
              "status": "affected",
              "version": "4.9.2"
            },
            {
              "status": "affected",
              "version": "4.11.0"
            },
            {
              "status": "affected",
              "version": "4.12.0"
            },
            {
              "status": "affected",
              "version": "4.12.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the web-based management interface of Cisco IoT Field Network Director could allow an authenticated, remote attacker with low privileges to retrieve files that they do not have permission to access.\r\n\r\nThis vulnerability is due to insufficient file access checks. An attacker could exploit this vulnerability by submitting crafted input in the web-based management interface. A successful exploit could allow the attacker to read files that they are not authorized to access."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "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"
          },
          "format": "cvssV3_1"
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      "problemTypes": [
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          "descriptions": [
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-06T16:15:48.379Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "cisco-sa-iot-fnd-dos-n8N26Q4u",
          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iot-fnd-dos-n8N26Q4u"
        }
      ],
      "source": {
        "advisory": "cisco-sa-iot-fnd-dos-n8N26Q4u",
        "defects": [
          "CSCwm81008"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "Cisco IoT Field Network Director Path Traversal Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2026-20168",
    "datePublished": "2026-05-06T16:15:48.379Z",
    "dateReserved": "2025-10-08T11:59:15.391Z",
    "dateUpdated": "2026-05-06T17:59:11.531Z",
    "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.