{
    "id": "CVE-2020-28949",
    "published": "2020-11-19 19:15:11",
    "last_modified": "2026-06-17 03:10:53",
    "cvss_score": "7.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "cwe": null,
    "description": "Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks, and thus any other stream-wrapper attack (such as file:// to overwrite files) can still succeed.",
    "epss_score": "0.84554",
    "epss_percentile": "0.99697",
    "kev": 1,
    "kev_due": "2022-09-15",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:26:40",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-09-15."
    },
    "products": [
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "drupal",
            "product": "drupal"
        },
        {
            "vendor": "fedoraproject",
            "product": "fedora"
        },
        {
            "vendor": "php",
            "product": "archive_tar"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2020-28949",
        "date_added": "2022-08-25",
        "due_date": "2022-09-15",
        "vendor": "PEAR",
        "product": "Archive_Tar",
        "name": "PEAR Archive_Tar Deserialization of Untrusted Data Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "http://packetstormsecurity.com/files/161095/PEAR-Archive_Tar-Arbitrary-File-Write.html",
        "https://github.com/pear/Archive_Tar/issues/33",
        "https://lists.debian.org/debian-lts-announce/2020/11/msg00045.html",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4V35LBRM6HBCXBVCITKQ4UEBTXO2EG7B/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NBYZSHYTIOBK6V7C4N7TP6KIKCRKLVWP/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/",
        "https://security.gentoo.org/glsa/202101-23",
        "https://www.debian.org/security/2020/dsa-4817",
        "https://www.drupal.org/sa-core-2020-013",
        "http://packetstormsecurity.com/files/161095/PEAR-Archive_Tar-Arbitrary-File-Write.html",
        "https://github.com/pear/Archive_Tar/issues/33",
        "https://lists.debian.org/debian-lts-announce/2020/11/msg00045.html",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4V35LBRM6HBCXBVCITKQ4UEBTXO2EG7B/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NBYZSHYTIOBK6V7C4N7TP6KIKCRKLVWP/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/",
        "https://security.gentoo.org/glsa/202101-23",
        "https://www.debian.org/security/2020/dsa-4817",
        "https://www.drupal.org/sa-core-2020-013",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-28949"
    ]
}