« Volver al listado

CVE-2021-40836

Estado: ModificadaMedia (5.5)—

A vulnerability affecting F-Secure antivirus engine was discovered whereby scanning MS outlook .pst files can lead to denial-of-service. The vulnerability can be exploited remotely by an attacker. A successful attack will result in denial-of-service of the antivirus engine.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (6)

F-secure — AtlantF-secure — Elements Endpoint Detection AND ResponseF-secure — Elements Endpoint ProtectionF-secure — Internet GatekeeperF-secure — Linux SecurityF-secure — Linux Security 64

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-40836",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve-notifications-us@f-secure.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.6,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 2.1
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve-notifications-us@f-secure.com",
      "affectedData": [
        {
          "vendor": "F-Secure",
          "product": "F-Secure endpoint protection products on Windows and Mac. F-Secure Linux Security (32-bit)  F-Secure Linux Security 64  F-Secure Atlant & F-Secure Internet Gatekeeper",
          "versions": [
            {
              "status": "affected",
              "version": "All Version"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-12-22T12:15:07.827",
  "references": [
    {
      "url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve-notifications-us@f-secure.com"
    },
    {
      "url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability affecting F-Secure antivirus engine was discovered whereby scanning MS outlook .pst files can lead to denial-of-service. The vulnerability can be exploited remotely by an attacker. A successful attack will result in denial-of-service of the antivirus engine."
    },
    {
      "lang": "es",
      "value": "Se ha detectado una vulnerabilidad que afecta al motor antivirus de F-Secure por la que el análisis de archivos .pst de MS outlook puede conllevar a una denegación de servicio. La vulnerabilidad puede ser explotada remotamente por un atacante. Un ataque con éxito resultará en una denegación de servicio del motor antivirus. Corregido en la actualización Capricorn 13-12-2021_07"
    }
  ],
  "lastModified": "2026-06-17T04:07:30.697",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:f-secure:atlant:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0C97DC3C-1B63-4B57-8C62-ACD77D0A3E71"
            },
            {
              "criteria": "cpe:2.3:a:f-secure:internet_gatekeeper:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "88F6E1F2-02DA-48EE-B127-4933CCC80C5C"
            },
            {
              "criteria": "cpe:2.3:a:f-secure:linux_security:*:*:*:*:*:*:x86:*",
              "vulnerable": true,
              "matchCriteriaId": "F0152E70-F7A9-4785-8A43-78472F9A2C13"
            },
            {
              "criteria": "cpe:2.3:a:f-secure:linux_security_64:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "360DBC2B-2B93-461E-90C6-60C55FBD87B8"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:f-secure:elements_endpoint_detection_and_response:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7F97045C-E576-49D3-9630-072E26F7D64F"
            },
            {
              "criteria": "cpe:2.3:a:f-secure:elements_endpoint_protection:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6DFC1F94-8A8B-42E2-887B-EE8FB3C9130D"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "cve-notifications-us@f-secure.com"
}