{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2020-26976",
        "ASSIGNER": "security@mozilla.org",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Mozilla",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Firefox",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "84",
                                            "version_affected": "<"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "HTTPS pages could have been intercepted by a registered service worker when they should not have been"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://www.mozilla.org/security/advisories/mfsa2020-54/",
                "refsource": "MISC",
                "name": "https://www.mozilla.org/security/advisories/mfsa2020-54/"
            },
            {
                "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1674343",
                "refsource": "MISC",
                "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1674343"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-4840",
                "url": "https://www.debian.org/security/2021/dsa-4840"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202102-02",
                "url": "https://security.gentoo.org/glsa/202102-02"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-4842",
                "url": "https://www.debian.org/security/2021/dsa-4842"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20210202 [SECURITY] [DLA 2541-1] thunderbird security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00002.html"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20210202 [SECURITY] [DLA 2539-1] firefox-esr security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00001.html"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "When a HTTPS pages was embedded in a HTTP page, and there was a service worker registered for the former, the service worker could have intercepted the request for the secure page despite the iframe not being a secure context due to the (insecure) framing. This vulnerability affects Firefox < 84."
            }
        ]
    }
}