{
    "id": "CVE-2011-1081",
    "published": "2011-03-20 02:00:04",
    "last_modified": "2026-06-16 23:28:40",
    "cvss_score": "5.0",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
    "cwe": "CWE-399",
    "description": "modrdn.c in slapd in OpenLDAP 2.4.x before 2.4.24 allows remote attackers to cause a denial of service (daemon crash) via a relative Distinguished Name (DN) modification request (aka MODRDN operation) that contains an empty value for the OldDN field.",
    "epss_score": "0.14474",
    "epss_percentile": "0.96518",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-27 18:17:10",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "openldap",
            "product": "openldap"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "35445",
            "title": "OpenLDAP 2.4.x - 'modrdn' NULL OldDN Remote Denial of Service",
            "date": "2011-01-03",
            "url": "https://www.exploit-db.com/exploits/35445"
        }
    ],
    "refs_list": [
        "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705",
        "http://openwall.com/lists/oss-security/2011/02/28/1",
        "http://openwall.com/lists/oss-security/2011/02/28/2",
        "http://openwall.com/lists/oss-security/2011/03/01/11",
        "http://openwall.com/lists/oss-security/2011/03/01/15",
        "http://secunia.com/advisories/43331",
        "http://secunia.com/advisories/43718",
        "http://security.gentoo.org/glsa/glsa-201406-36.xml",
        "http://securitytracker.com/id?1025191",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2011:055",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2011:056",
        "http://www.openldap.org/devel/cvsweb.cgi/servers/slapd/modrdn.c.diff?r1=1.170.2.8&r2=1.170.2.9",
        "http://www.openldap.org/its/index.cgi/Software%20Bugs?id=6768",
        "http://www.openldap.org/lists/openldap-announce/201102/msg00000.html",
        "http://www.redhat.com/support/errata/RHSA-2011-0347.html",
        "http://www.ubuntu.com/usn/USN-1100-1",
        "http://www.vupen.com/english/advisories/2011/0665",
        "https://bugzilla.novell.com/show_bug.cgi?id=674985",
        "https://bugzilla.redhat.com/show_bug.cgi?id=680975",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/66239",
        "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705",
        "http://openwall.com/lists/oss-security/2011/02/28/1",
        "http://openwall.com/lists/oss-security/2011/02/28/2",
        "http://openwall.com/lists/oss-security/2011/03/01/11",
        "http://openwall.com/lists/oss-security/2011/03/01/15"
    ]
}