The default slapd configuration in the Debian openldap package 2.4.23-3 through 2.4.39-1.1 allows remote authenticated users to modify the user's permissions and other user attributes via unspecified vectors.
{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "ldap-utils",
            "binary_version": "2.4.31-1+nmu2ubuntu8.2"
        },
        {
            "binary_name": "libldap-2.4-2",
            "binary_version": "2.4.31-1+nmu2ubuntu8.2"
        },
        {
            "binary_name": "libldap2-dev",
            "binary_version": "2.4.31-1+nmu2ubuntu8.2"
        },
        {
            "binary_name": "slapd",
            "binary_version": "2.4.31-1+nmu2ubuntu8.2"
        },
        {
            "binary_name": "slapd-smbk5pwd",
            "binary_version": "2.4.31-1+nmu2ubuntu8.2"
        }
    ]
}