{
  "id": "CVE-2021-38084",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-08-03T22:15:09.310",
  "lastModified": "2021-09-09T17:18:46.767",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in the POP3 component of Courier Mail Server before 1.1.5. Meddler-in-the-middle attackers can pipeline commands after the POP3 STLS command, injecting plaintext commands into an encrypted user session."
    },
    {
      "lang": "es",
      "value": "Se ha detectado un problema en el componente POP3 de Courier Mail Server versiones anteriores a 1.1.5. Unos atacantes de tipo Meddler-in-the-middle pueden canalizar comandos despu\u00e9s del comando POP3 STLS, inyectando comandos en texto plano en una sesi\u00f3n de usuario cifrada"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-74"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:courier-mta:courier_mail_server:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "1.1.5",
              "matchCriteriaId": "028FA0B7-3E20-4F6D-AC58-1C949D0A3502"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://sourceforge.net/p/courier/mailman/courier-imap/thread/cone.1382574216.483027.8082.1000%40monster.email-scan.com/#msg31555583",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://sourceforge.net/p/courier/mailman/message/37329216/",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}