{
    "id": "CVE-2011-1563",
    "published": "2011-04-05 15:19:35",
    "last_modified": "2026-06-16 23:29:38",
    "cvss_score": "10.0",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
    "cwe": "CWE-119",
    "description": "Multiple stack-based buffer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build 6.1.10.10) and earlier allow remote attackers to execute arbitrary code via (1) a long username in an On_FC_CONNECT_FCS_LOGIN packet, and crafted (2) On_FC_CTAGLIST_FCS_CADDTAG, (3) On_FC_CTAGLIST_FCS_CDELTAG, (4) On_FC_CTAGLIST_FCS_ADDTAGMS, (5) On_FC_RFUSER_FCS_LOGIN, (6) unspecified \"On_FC_BINFILE_FCS_*FILE\", (7) On_FC_CGETTAG_FCS_GETTELEMETRY, (8) On_FC_CGETTAG_FCS_GETCHANNELTELEMETRY, (9) On_FC_CGETTAG_FCS_SETTELEMETRY, (10) On_FC_CGETTAG_FCS_SETCHANNELTELEMETRY, and (11) On_FC_SCRIPT_FCS_STARTPROG packets to port 910.",
    "epss_score": "0.74638",
    "epss_percentile": "0.99487",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:18:02",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "realflex",
            "product": "realwin"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "17025",
            "title": "DATAC RealWin - Multiple Vulnerabilities",
            "date": "2011-03-22",
            "url": "https://www.exploit-db.com/exploits/17025"
        }
    ],
    "refs_list": [
        "http://aluigi.org/adv/realwin_2-adv.txt",
        "http://aluigi.org/adv/realwin_3-adv.txt",
        "http://aluigi.org/adv/realwin_4-adv.txt",
        "http://aluigi.org/adv/realwin_5-adv.txt",
        "http://aluigi.org/adv/realwin_7-adv.txt",
        "http://aluigi.org/adv/realwin_8-adv.txt",
        "http://secunia.com/advisories/43848",
        "http://securityreason.com/securityalert/8176",
        "http://www.exploit-db.com/exploits/17025",
        "http://www.securityfocus.com/bid/46937",
        "http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-080-04.pdf",
        "http://www.vupen.com/english/advisories/2011/0742",
        "http://aluigi.org/adv/realwin_2-adv.txt",
        "http://aluigi.org/adv/realwin_3-adv.txt",
        "http://aluigi.org/adv/realwin_4-adv.txt",
        "http://aluigi.org/adv/realwin_5-adv.txt",
        "http://aluigi.org/adv/realwin_7-adv.txt",
        "http://aluigi.org/adv/realwin_8-adv.txt",
        "http://secunia.com/advisories/43848",
        "http://securityreason.com/securityalert/8176",
        "http://www.exploit-db.com/exploits/17025",
        "http://www.securityfocus.com/bid/46937",
        "http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-080-04.pdf",
        "http://www.vupen.com/english/advisories/2011/0742"
    ]
}