Vulnerability-Lookup

FKIE_CVE-2020-5893

Vulnerability from fkie_nvd - Published: 2020-04-30 21:15 - Updated: 2026-06-17 03:22

Severity

3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Summary

In versions 7.1.5-7.1.8, when a user connects to a VPN using BIG-IP Edge Client over an unsecure network, BIG-IP Edge Client responds to authentication requests over HTTP while sending probes for captive portal detection.

References

	URL	Tags
	f5sirt@f5.com	https://support.f5.com/csp/article/K97733133	Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://support.f5.com/csp/article/K97733133	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	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "BIG-IP Edge Client",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "7.1.5-7.1.8"
            }
          ]
        }
      ],
      "source": "f5sirt@f5.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2FBA9552-4645-4BFF-91A4-47B6A3414325",
              "versionEndIncluding": "11.6.5",
              "versionStartIncluding": "11.6.1",
              "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": "FCBAF5C1-3761-47BB-AD8E-A55A64D33AF3",
              "versionEndIncluding": "14.1.2",
              "versionStartIncluding": "14.0.0",
              "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": "22A479A8-904D-4959-B554-5150505BE438",
              "versionEndExcluding": "7.1.9",
              "versionStartIncluding": "7.1.5",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In versions 7.1.5-7.1.8, when a user connects to a VPN using BIG-IP Edge Client over an unsecure network, BIG-IP Edge Client responds to authentication requests over HTTP while sending probes for captive portal detection."
    },
    {
      "lang": "es",
      "value": "En las versiones 7.1.5 hasta 7.1.8, cuando un usuario se conecta a una VPN usando BIG-IP Edge Client por medio de una red no segura, BIG-IP Edge Client responde a las peticiones de autenticaci\u00f3n por medio de HTTP mientras env\u00eda sondas para la detecci\u00f3n del portal cautivo."
    }
  ],
  "id": "CVE-2020-5893",
  "lastModified": "2026-06-17T03:22:24.600",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 3.7,
          "baseSeverity": "LOW",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-04-30T21:15:17.463",
  "references": [
    {
      "source": "f5sirt@f5.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.f5.com/csp/article/K97733133"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.f5.com/csp/article/K97733133"
    }
  ],
  "sourceIdentifier": "f5sirt@f5.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-319"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2020-5893 (GCVE-0-2020-5893)

Vulnerability from cvelistv5 – Published: 2020-04-30 21:00 – Updated: 2024-08-04 08:47

Summary

Severity

No CVSS data available.

CWE

Brute Force

Assigner

f5 mitre root Scorecard

References

1 reference

URL	Tags
https://support.f5.com/csp/article/K97733133	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
n/a	BIG-IP Edge Client	Affected: 7.1.5-7.1.8

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:47:40.873Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://support.f5.com/csp/article/K97733133"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "BIG-IP Edge Client",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "7.1.5-7.1.8"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In versions 7.1.5-7.1.8, when a user connects to a VPN using BIG-IP Edge Client over an unsecure network, BIG-IP Edge Client responds to authentication requests over HTTP while sending probes for captive portal detection."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Brute Force",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-04-30T21:00:49.000Z",
        "orgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
        "shortName": "f5"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://support.f5.com/csp/article/K97733133"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "f5sirt@f5.com",
          "ID": "CVE-2020-5893",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "BIG-IP Edge Client",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "7.1.5-7.1.8"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Brute Force"
                }
              ]
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        },
        "references": {
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              "refsource": "CONFIRM",
              "url": "https://support.f5.com/csp/article/K97733133"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
    "assignerShortName": "f5",
    "cveId": "CVE-2020-5893",
    "datePublished": "2020-04-30T21:00:49.000Z",
    "dateReserved": "2020-01-06T00:00:00.000Z",
    "dateUpdated": "2024-08-04T08:47:40.873Z",
    "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.

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.

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FKIE_CVE-2020-5893

CVE-2020-5893 (GCVE-0-2020-5893)

Tags

Sightings

Nomenclature

Related by attack behaviour