{
    "id": "CVE-2009-3699",
    "published": "2009-10-15 10:30:01",
    "last_modified": "2026-06-16 23:12:10",
    "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": "Stack-based buffer overflow in libcsa.a (aka the calendar daemon library) in IBM AIX 5.x through 5.3.10 and 6.x through 6.1.3, and VIOS 2.1 and earlier, allows remote attackers to execute arbitrary code via a long XDR string in the first argument to procedure 21 of rpc.cmsd.",
    "epss_score": "0.62345",
    "epss_percentile": "0.99161",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:16:47",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "ibm",
            "product": "aix"
        },
        {
            "vendor": "ibm",
            "product": "vios"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "16929",
            "title": "AIX Calendar Manager Service Daemon (rpc.cmsd) Opcode 21 - Buffer Overflow (Metasploit)",
            "date": "2010-11-11",
            "url": "https://www.exploit-db.com/exploits/16929"
        }
    ],
    "refs_list": [
        "http://aix.software.ibm.com/aix/efixes/security/cmsd_advisory.asc",
        "http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=825",
        "http://secunia.com/advisories/36978",
        "http://securitytracker.com/id?1022996",
        "http://www.ibm.com/support/docview.wss?uid=isg1IZ61628",
        "http://www.ibm.com/support/docview.wss?uid=isg1IZ61717",
        "http://www.ibm.com/support/docview.wss?uid=isg1IZ62123",
        "http://www.ibm.com/support/docview.wss?uid=isg1IZ62237",
        "http://www.ibm.com/support/docview.wss?uid=isg1IZ62569",
        "http://www.ibm.com/support/docview.wss?uid=isg1IZ62570",
        "http://www.ibm.com/support/docview.wss?uid=isg1IZ62571",
        "http://www.ibm.com/support/docview.wss?uid=isg1IZ62572",
        "http://www.ibm.com/support/docview.wss?uid=isg1IZ62672",
        "http://www.osvdb.org/58726",
        "http://www.securityfocus.com/bid/36615",
        "http://www.vupen.com/english/advisories/2009/2846",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/53681",
        "https://www.immunityinc.com/downloads/immpartners/aixcmsd10092009.tar.gz",
        "http://aix.software.ibm.com/aix/efixes/security/cmsd_advisory.asc",
        "http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=825",
        "http://secunia.com/advisories/36978",
        "http://securitytracker.com/id?1022996",
        "http://www.ibm.com/support/docview.wss?uid=isg1IZ61628",
        "http://www.ibm.com/support/docview.wss?uid=isg1IZ61717",
        "http://www.ibm.com/support/docview.wss?uid=isg1IZ62123"
    ]
}