Vulnerability-Lookup

FKIE_CVE-2020-5855

Vulnerability from fkie_nvd - Published: 2020-02-06 16:15 - Updated: 2026-06-17 03:22

Severity

4.3 (Medium) - CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Summary

When the Windows Logon Integration feature is configured for all versions of BIG-IP Edge Client for Windows, unauthorized users who have physical access to an authorized user's machine can get shell access under unprivileged user.

References

	URL	Tags
	f5sirt@f5.com	https://support.f5.com/csp/article/K55102004	Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://support.f5.com/csp/article/K55102004	Vendor Advisory

Impacted products

Vendor	Product	Version
f5	big-ip_access_policy_manager	*
f5	big-ip_access_policy_manager	*
f5	big-ip_access_policy_manager	*
f5	big-ip_access_policy_manager	*
f5	big-ip_access_policy_manager	*
f5	big-ip_access_policy_manager_client	*
microsoft	windows	-

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Edge Client for Windows",
          "vendor": "F5",
          "versions": [
            {
              "status": "affected",
              "version": "All"
            }
          ]
        }
      ],
      "source": "f5sirt@f5.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "85EE39BF-86AA-498B-BF51-EDCD7BD01376",
              "versionEndIncluding": "11.6.5",
              "versionStartIncluding": "11.5.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6C3B5688-0235-4D4F-A26C-440FF24A1B43",
              "versionEndIncluding": "12.1.5",
              "versionStartIncluding": "12.1.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6FCB6C17-33AC-4E5E-8633-7490058CA51F",
              "versionEndIncluding": "13.1.3",
              "versionStartIncluding": "13.1.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C8D4FBBA-1D87-4CCB-ADB3-42514FB0CF45",
              "versionEndIncluding": "14.1.2",
              "versionStartIncluding": "14.1.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "EFBB9E7C-08D1-4B30-AD3B-CADBF30D756B",
              "versionEndIncluding": "15.1.0",
              "versionStartIncluding": "15.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager_client:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "61D59E12-6114-4568-A33F-4BE7A47D2613",
              "versionEndIncluding": "7.1.8",
              "versionStartIncluding": "7.1.5",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "When the Windows Logon Integration feature is configured for all versions of BIG-IP Edge Client for Windows, unauthorized users who have physical access to an authorized user\u0027s machine can get shell access under unprivileged user."
    },
    {
      "lang": "es",
      "value": "Cuando la funcionalidad Windows Logon Integration est\u00e1 configurada para todas las versiones de BIG-IP Edge Client para Windows, los usuarios no autorizados que tienen acceso f\u00edsico a la m\u00e1quina de un usuario autorizado pueden obtener acceso de shell bajo un usuario no privilegiado."
    }
  ],
  "id": "CVE-2020-5855",
  "lastModified": "2026-06-17T03:22:20.537",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "PHYSICAL",
          "availabilityImpact": "LOW",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 0.9,
        "impactScore": 3.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-02-06T16:15:12.493",
  "references": [
    {
      "source": "f5sirt@f5.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.f5.com/csp/article/K55102004"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.f5.com/csp/article/K55102004"
    }
  ],
  "sourceIdentifier": "f5sirt@f5.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2020-5855 (GCVE-0-2020-5855)

Vulnerability from cvelistv5 – Published: 2020-02-06 15:37 – Updated: 2024-08-04 08:39

Summary

Severity

No CVSS data available.

CWE

Unauthorized Access

Assigner

f5 mitre root

References

1 reference

URL	Tags
https://support.f5.com/csp/article/K55102004	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
F5	Edge Client for Windows	Affected: All

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:39:25.885Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://support.f5.com/csp/article/K55102004"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Edge Client for Windows",
          "vendor": "F5",
          "versions": [
            {
              "status": "affected",
              "version": "All"
            }
          ]
        }
      ],
      "descriptions": [
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          "value": "When the Windows Logon Integration feature is configured for all versions of BIG-IP Edge Client for Windows, unauthorized users who have physical access to an authorized user\u0027s machine can get shell access under unprivileged user."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Unauthorized Access",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-02-06T15:37:27.000Z",
        "orgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
        "shortName": "f5"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://support.f5.com/csp/article/K55102004"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "f5sirt@f5.com",
          "ID": "CVE-2020-5855",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Edge Client for Windows",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All"
                          }
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                      }
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                "vendor_name": "F5"
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    "dateReserved": "2020-01-06T00:00:00.000Z",
    "dateUpdated": "2024-08-04T08:39:25.885Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.