{
    "id": "CVE-2023-36846",
    "published": "2023-08-17 20:15:10",
    "last_modified": "2026-06-17 06:07:12",
    "cvss_score": "5.3",
    "cvss_severity": "MEDIUM",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
    "cwe": "CWE-306",
    "description": "A Missing Authentication for Critical Function vulnerability in Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity.\n\n\n\nWith a specific request to user.php that doesn't require authentication an attacker is able to upload arbitrary files via J-Web, leading to a loss of \n\nintegrity\n\nfor a certain \n\npart of the file system, which may allow chaining to other vulnerabilities.\n\n\nThis issue affects Juniper Networks Junos OS on SRX Series:\n\n\n\n  *  All versions prior to 20.4R3-S8;\n  *  21.1 versions 21.1R1 and later;\n  *  21.2 versions prior to 21.2R3-S6;\n  *  21.3 versions \n\nprior to \n\n 21.3R3-S5;\n  *  21.4 versions \n\nprior to \n\n21.4R3-S5;\n  *  22.1 versions \n\nprior to \n\n22.1R3-S3;\n  *  22.2 versions \n\nprior to \n\n22.2R3-S2;\n  *  22.3 versions \n\nprior to \n\n22.3R2-S2, 22.3R3;\n  *  22.4 versions \n\nprior to \n\n22.4R2-S1, 22.4R3.",
    "epss_score": "0.93473",
    "epss_percentile": "0.99838",
    "kev": 1,
    "kev_due": "2023-11-17",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:32:27",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2023-11-17."
    },
    "products": [
        {
            "vendor": "juniper",
            "product": "junos"
        },
        {
            "vendor": "juniper",
            "product": "srx100"
        },
        {
            "vendor": "juniper",
            "product": "srx110"
        },
        {
            "vendor": "juniper",
            "product": "srx1400"
        },
        {
            "vendor": "juniper",
            "product": "srx1500"
        },
        {
            "vendor": "juniper",
            "product": "srx210"
        },
        {
            "vendor": "juniper",
            "product": "srx220"
        },
        {
            "vendor": "juniper",
            "product": "srx240"
        },
        {
            "vendor": "juniper",
            "product": "srx240h2"
        },
        {
            "vendor": "juniper",
            "product": "srx240m"
        },
        {
            "vendor": "juniper",
            "product": "srx300"
        },
        {
            "vendor": "juniper",
            "product": "srx320"
        },
        {
            "vendor": "juniper",
            "product": "srx340"
        },
        {
            "vendor": "juniper",
            "product": "srx3400"
        },
        {
            "vendor": "juniper",
            "product": "srx345"
        },
        {
            "vendor": "juniper",
            "product": "srx3600"
        },
        {
            "vendor": "juniper",
            "product": "srx380"
        },
        {
            "vendor": "juniper",
            "product": "srx4000"
        },
        {
            "vendor": "juniper",
            "product": "srx4100"
        },
        {
            "vendor": "juniper",
            "product": "srx4200"
        },
        {
            "vendor": "juniper",
            "product": "srx4600"
        },
        {
            "vendor": "juniper",
            "product": "srx5000"
        },
        {
            "vendor": "juniper",
            "product": "srx5400"
        },
        {
            "vendor": "juniper",
            "product": "srx550"
        },
        {
            "vendor": "juniper",
            "product": "srx550_hm"
        },
        {
            "vendor": "juniper",
            "product": "srx550m"
        },
        {
            "vendor": "juniper",
            "product": "srx5600"
        },
        {
            "vendor": "juniper",
            "product": "srx5800"
        },
        {
            "vendor": "juniper",
            "product": "srx650"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2023-36846",
        "date_added": "2023-11-13",
        "due_date": "2023-11-17",
        "vendor": "Juniper",
        "product": "Junos OS",
        "name": "Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "https://supportportal.juniper.net/JSA72300",
        "https://supportportal.juniper.net/JSA72300",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-36846"
    ]
}