{
    "id": "CVE-2021-31891",
    "published": "2021-09-14 11:15:24",
    "last_modified": "2026-06-17 03:52:26",
    "cvss_score": "10.0",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
    "cwe": "CWE-78",
    "description": "A vulnerability has been identified in Desigo CC (All versions with OIS Extension Module), GMA-Manager (All versions with OIS running on Debian 9 or earlier), Operation Scheduler (All versions with OIS running on Debian 9 or earlier), Siveillance Control (All versions with OIS running on Debian 9 or earlier), Siveillance Control Pro (All versions). The affected application incorrectly neutralizes special elements in a specific HTTP GET request which could lead to command injection. An unauthenticated remote attacker could exploit this vulnerability to execute arbitrary code on the system with root privileges.",
    "epss_score": "0.03842",
    "epss_percentile": "0.89853",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-08 18:17:28",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (10), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "siemens",
            "product": "desigo_cc"
        },
        {
            "vendor": "siemens",
            "product": "gma-manager"
        },
        {
            "vendor": "siemens",
            "product": "operation_scheduler"
        },
        {
            "vendor": "siemens",
            "product": "siveillance_control"
        },
        {
            "vendor": "siemens",
            "product": "siveillance_control_pro"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://cert-portal.siemens.com/productcert/pdf/ssa-535380.pdf",
        "https://cert-portal.siemens.com/productcert/pdf/ssa-535380.pdf"
    ]
}