{
  "id": "CVE-2015-4495",
  "url": "https://spydr.io/cve/CVE-2015-4495",
  "published": "2015-08-08T00:59:04.597Z",
  "modified": "2026-06-17T00:27:24.177Z",
  "score": 8.8,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.68558,
  "epss_percentile": 0.99324,
  "exploited": true,
  "kev": {
    "added": "2022-05-25",
    "due": "2022-06-15",
    "action": "Apply updates per vendor instructions.",
    "ransomware": "Unknown",
    "name": "Mozilla Firefox Security Feature Bypass Vulnerability",
    "notes": "https://nvd.nist.gov/vuln/detail/CVE-2015-4495"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "mozilla",
    "oracle",
    "canonical",
    "redhat",
    "suse",
    "opensuse"
  ],
  "products": [
    "mozilla firefox",
    "mozilla firefox os",
    "oracle solaris",
    "canonical ubuntu linux",
    "redhat enterprise linux desktop",
    "redhat enterprise linux eus",
    "redhat enterprise linux server",
    "redhat enterprise linux server aus",
    "redhat enterprise linux server tus",
    "redhat enterprise linux workstation",
    "suse linux enterprise debuginfo",
    "opensuse",
    "suse linux enterprise desktop",
    "suse linux enterprise server",
    "suse linux enterprise software development kit"
  ],
  "cwes": [
    "CWE-346"
  ],
  "description": "The PDF reader in Mozilla Firefox before 39.0.3, Firefox ESR 38.x before 38.1.1, and Firefox OS before 2.2 allows remote attackers to bypass the Same Origin Policy, and read arbitrary files or gain privileges, via vectors involving crafted JavaScript code and a native setter, as exploited in the wild in August 2015.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 8.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00009.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00010.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00016.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2015-1581.html",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.mozilla.org/security/announce/2015/mfsa2015-78.html",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/76249",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.securitytracker.com/id/1033216",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2707-1",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://blog.mozilla.org/security/2015/08/06/firefox-exploit-found-in-the-wild/",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1178058",
      "tags": [
        "Issue Tracking"
      ]
    },
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1179262",
      "tags": [
        "Issue Tracking"
      ]
    },
    {
      "url": "https://security.gentoo.org/glsa/201512-10",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.exploit-db.com/exploits/37772/",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-4495",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2015-4495",
  "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."
    }
  ]
}
