{
  "id": "CVE-2019-10149",
  "url": "https://spydr.io/cve/CVE-2019-10149",
  "published": "2019-06-05T14:29:11.293Z",
  "modified": "2026-06-17T02:10:21.590Z",
  "score": 9.8,
  "severity": "critical",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.99961,
  "epss_percentile": 0.99975,
  "exploited": true,
  "kev": {
    "added": "2022-01-10",
    "due": "2022-07-10",
    "action": "Apply updates per vendor instructions.",
    "ransomware": "Unknown",
    "name": "Exim Mail Transfer Agent (MTA) Improper Input Validation",
    "notes": "https://nvd.nist.gov/vuln/detail/CVE-2019-10149"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "exim"
  ],
  "products": [
    "exim"
  ],
  "cwes": [
    "CWE-78"
  ],
  "description": "A flaw was found in Exim versions 4.87 to 4.91 (inclusive). Improper validation of recipient address in deliver_message() function in /src/deliver.c may lead to remote command execution.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 9.8,
    "cvss_v30": 9
  },
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00020.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://packetstormsecurity.com/files/153218/Exim-4.9.1-Remote-Command-Execution.html",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://packetstormsecurity.com/files/153312/Exim-4.91-Local-Privilege-Escalation.html",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://packetstormsecurity.com/files/154198/Exim-4.91-Local-Privilege-Escalation.html",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2019/Jun/16",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2019/06/05/2",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2019/06/05/3",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2019/06/05/4",
      "tags": [
        "Exploit",
        "Mailing List"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2019/06/06/1",
      "tags": [
        "Exploit",
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2019/07/25/6",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2019/07/25/7",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2019/07/26/4",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2021/05/04/7",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/108679",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10149",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://seclists.org/bugtraq/2019/Jun/5",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://security.gentoo.org/glsa/201906-01",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://usn.ubuntu.com/4010-1/",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.debian.org/security/2019/dsa-4456",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.exim.org/static/doc/security/CVE-2019-10149.txt",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-10149",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2019-10149",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}