FKIE_CVE-2021-45035

Vulnerability from fkie_nvd - Published: 2022-09-23 16:15 - Updated: 2024-11-21 06:31
Severity
6.3 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
Velneo vClient on its 28.1.3 version, does not correctly check the certificate of authenticity by default. This could allow an attacker that has access to the network to perform a MITM attack in order to obtain the user´s credentials.
References
cve-coordination@incibe.eshttps://doc.velneo.com/v/29/velneo/notas-de-la-version#verificacion-de-certificadosVendor Advisory
cve-coordination@incibe.eshttps://velneo.es/publicacion-de-incidencia-de-seguridad-en-cve-cve-2021-45035/Vendor Advisory
cve-coordination@incibe.eshttps://www.incibe-cert.es/en/early-warning/security-advisories/velneo-vclient-improper-authenticationThird Party Advisory
cve-coordination@incibe.eshttps://www.velneo.com/blog/nueva-revision-velneo-29-2Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://doc.velneo.com/v/29/velneo/notas-de-la-version#verificacion-de-certificadosVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://velneo.es/publicacion-de-incidencia-de-seguridad-en-cve-cve-2021-45035/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.incibe-cert.es/en/early-warning/security-advisories/velneo-vclient-improper-authenticationThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.velneo.com/blog/nueva-revision-velneo-29-2Vendor Advisory
Impacted products
Vendor Product Version
velneo vclient 28.1.3
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:velneo:vclient:28.1.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "2802675E-9543-403C-95FF-3CFF1FC01896",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Velneo vClient on its 28.1.3 version, does not correctly check the certificate of authenticity by default. This could allow an attacker that has access to the network to perform a MITM attack in order to obtain the user\u00b4s credentials."
    },
    {
      "lang": "es",
      "value": "Velneo vClient en versi\u00f3n 28.1.3, no comprueba correctamente el certificado de autenticidad por defecto. Esto podr\u00eda permitir a un atacante que tenga acceso a la red llevar a cabo un ataque de tipo MITM para obtener las credenciales del usuario."
    }
  ],
  "id": "CVE-2021-45035",
  "lastModified": "2024-11-21T06:31:50.263",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.1,
        "impactScore": 4.2,
        "source": "cve-coordination@incibe.es",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-09-23T16:15:10.380",
  "references": [
    {
      "source": "cve-coordination@incibe.es",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://doc.velneo.com/v/29/velneo/notas-de-la-version#verificacion-de-certificados"
    },
    {
      "source": "cve-coordination@incibe.es",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://velneo.es/publicacion-de-incidencia-de-seguridad-en-cve-cve-2021-45035/"
    },
    {
      "source": "cve-coordination@incibe.es",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.incibe-cert.es/en/early-warning/security-advisories/velneo-vclient-improper-authentication"
    },
    {
      "source": "cve-coordination@incibe.es",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.velneo.com/blog/nueva-revision-velneo-29-2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://doc.velneo.com/v/29/velneo/notas-de-la-version#verificacion-de-certificados"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://velneo.es/publicacion-de-incidencia-de-seguridad-en-cve-cve-2021-45035/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.incibe-cert.es/en/early-warning/security-advisories/velneo-vclient-improper-authentication"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.velneo.com/blog/nueva-revision-velneo-29-2"
    }
  ],
  "sourceIdentifier": "cve-coordination@incibe.es",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "cve-coordination@incibe.es",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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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.


Detection rules are retrieved from Rulezet.