CVE-2016-9338 (GCVE-0-2016-9338)

Vulnerability from cvelistv5 – Published: 2017-02-13 21:00 – Updated: 2024-08-06 02:50
VLAI
Summary
An issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1100 controller 1763-L16AWA, Series A and B, Version 14.000 and prior versions; 1763-L16BBB, Series A and B, Version 14.000 and prior versions; 1763-L16BWA, Series A and B, Version 14.000 and prior versions; and 1763-L16DWD, Series A and B, Version 14.000 and prior versions. Because of an Incorrect Permission Assignment for Critical Resource, users with administrator privileges may be able to remove all administrative users requiring a factory reset to restore ancillary web server function. Exploitation of this vulnerability will still allow the affected device to function in its capacity as a controller.
Severity
2.7 (Low)
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
CWE
  • Rockwell Automation MicroLogix 1100 and 1400 Incorrect Permission Assignment for Critical Resource
Assigner
icscert CNA under the icscert root
CNA scorecard B 75/100 over 343 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
n/a Rockwell Automation MicroLogix 1100 and 1400 Affected: Rockwell Automation MicroLogix 1100 and 1400
Date Public
2017-02-13 00:00
Show details on NVD website
To clipboard 

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                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:rockwellautomation:1766-l32bxb_series_b:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "31BCB97C-9F7C-47C7-832E-2EAA7B841CA2",
                    "versionEndIncluding": "15.004",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:rockwellautomation:1766-l32bxba_series_a:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "93282079-80A2-4CDF-9EF8-D9EEBAC1D238",
                    "versionEndIncluding": "15.004",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:rockwellautomation:1766-l32bxba_series_b:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "D4F5D81D-62BA-4655-8FB1-43BC0FF3288B",
                    "versionEndIncluding": "15.004",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "An issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1100 controller 1763-L16AWA, Series A and B, Version 14.000 and prior versions; 1763-L16BBB, Series A and B, Version 14.000 and prior versions; 1763-L16BWA, Series A and B, Version 14.000 and prior versions; and 1763-L16DWD, Series A and B, Version 14.000 and prior versions. Because of an Incorrect Permission Assignment for Critical Resource, users with administrator privileges may be able to remove all administrative users requiring a factory reset to restore ancillary web server function. Exploitation of this vulnerability will still allow the affected device to function in its capacity as a controller."
          },
          {
            "lang": "es",
            "value": "Ha sido descubierto un problema en controlador Rockwell Automation Allen-Bradley MicroLogix 1100, 1763-L16AWA, Serie A y B, Versi\u00f3n 14.000 y versiones anteriores; 1763-L16BBB, Serie A y B, Versi\u00f3n 14.000 y versiones anteriores; 1763-L16BWA, Serie A y B, Versi\u00f3n 14.000 y versiones anteriores; y 1763-L16DWD, Serie A y B, Versi\u00f3n 14.000 y versiones anteriores. Debido a una asignaci\u00f3n de permisos incorrecta para recursos cr\u00edticos, los usuarios con privilegios de administrador pueden eliminar todos los usuarios administrativos requiri\u00e9ndose un restablecimiento de f\u00e1brica para restaurar la funci\u00f3n del servidor web auxiliar. La explotaci\u00f3n de esta vulnerabilidad seguir\u00e1 permitiendo que el dispositivo afectado funcione en su capacidad como controlador."
          }
        ],
        "evaluatorComment": "\u003ca href=\"http://cwe.mitre.org/data/definitions/732.html\"\u003eCWE-732: Incorrect Permission Assignment for Critical Resource\u003c/a\u003e",
        "id": "CVE-2016-9338",
        "lastModified": "2026-05-13T00:24:29.033",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "SINGLE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 4.0,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 8.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 2.7,
                "baseSeverity": "LOW",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "HIGH",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L",
                "version": "3.0"
              },
              "exploitabilityScore": 1.2,
              "impactScore": 1.4,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2017-02-13T21:59:01.627",
        "references": [
          {
            "source": "ics-cert@hq.dhs.gov",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/95302"
          },
          {
            "source": "ics-cert@hq.dhs.gov",
            "tags": [
              "Third Party Advisory",
              "US Government Resource"
            ],
            "url": "https://ics-cert.us-cert.gov/advisories/ICSA-16-336-06"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/95302"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "US Government Resource"
            ],
            "url": "https://ics-cert.us-cert.gov/advisories/ICSA-16-336-06"
          }
        ],
        "sourceIdentifier": "ics-cert@hq.dhs.gov",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-Other"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

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    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.