| Sloan | Optima Etf-80 Firmware | 1 |
| Sloan | Optima Etf-800 | 1 |
| Sloan | Optima Etf-800 Firmware | 1 |
| Sloan | Optima Etf-880 | 1 |
| Sloan | Optima Etf-880 Firmware | 1 |
| Optinmonster | Optinmonster | 5 |
| Dell | Optiplex 390 | 2 |
| Dell | Optiplex 790 | 2 |
| Dell | Optiplex 990 | 2 |
| Nortel | Optivity Telephony Manager | 2 |
| Siemens | Opupi0 Amqp/mqtt | 1 |
| Opus-codec | Opus | 6 |
| Oracle | Oracle Database | 56 |
| Oracle Corporation | Oracle Database | 56 |
| Oracle Corporation | Oracle Netsuite Service | 2 |
| Oracle | Oracle Retail Customer Engagement | 1 |
| Oracle | Oracle9i | 5 |
| Pp-solution | Orakel-ball | 1 |
| Oramon | Oramon | 1 |
| Orange Software | Orange Web Server | 3 |
| Palantir | Orbital-simulator | 1 |
| Orbitscripts | Orbithyip | 1 |
| Orchardproject | Orchard | 5 |
| Orchardcore | Orchardcore | 7 |
| Orchest | Orchest | 1 |
| Openstack | Orchestration Api | 1 |
| Ordered-float Project | Ordered-float | 1 |
| Oreka | Oreka | 1 |
| Orenosv | Orenosv Http Ftp Server | 2 |
| Apache | Org.apache.sling.servlets.post | 2 |
| Openshift | Origin | 8 |
| Ea | Origin Client | 1 |
| Redhat | Origin-aggregated-logging | 2 |
| N/a | Origin-aggregated-logging/elasticsearch | 2 |
| Orinoco | Orinoco Wavelan | 1 |
| Orion | Orion Application Server | 4 |
| Orionserver | Orion Application Server | 4 |
| Meafinancial | Oritani Mobile Banking | 1 |
| Go Standard Library | Os | 1 |
| Ibm | Os2 Ftp Server | 1 |
| Hitachi | Osas/ft/w | 1 |
| Indymedia | Oscailt | 1 |
| Xoev | Osci Transport Library | 3 |
| Darrens 5-dollar Script Archive | Osdate | 4 |
| Tufat | Osdate | 4 |
| N/a | Osisoft Pi Vision | 5 |
| Oskarshamnsliv Project | Oskarshamnsliv | 1 |
| Openstack | Oslo.middleware | 1 |
| B4after | Osmapper | 1 |
| Unknown | Osmapper | 1 |
| Oracle | Oss Support Tools | 19 |
| Ohio State University | Osu Httpd | 2 |
| Siemens | Other Siprotec 4 Relays | 1 |
| Siemens | Other Siprotec Compact Relays | 1 |
| Otrs Ag | Otrs | 134 |
| Otrs | Otrs Help Desk | 2 |
| Otscms | Otscms | 3 |
| Ottoman | Ottoman | 1 |
| 2coolcode | Our Space | 1 |
| Outblaze | Outblaze Email | 1 |
| Pocketmags | Outdoor Design And Living | 1 |
| Microsoft Corporation | Outlook | 114 |
| Microsoft | Outlook 2016 | 1 |
| Microsoft | Outlook Web Access | 6 |
| Agnitum | Outpost Firewall | 8 |
| Overkill | Overkill | 2 |
| Blizzard | Overwatch | 1 |
| Ovirt | Ovirt | 14 |
| [UNKNOWN] | Ovirt-ansible-roles | 1 |
| N/a | Ovirt-engine | 23 |
| Ovirt | Ovirt-engine | 23 |
| Ovirt | Ovirt-engine-cli | 1 |
| Red Hat | Ovirt-engine-metrics | 1 |
| Ovirt-engine-sdk-python Project | Ovirt-engine-sdk-python | 1 |
| [UNKNOWN] | Ovirt-engine-setup | 1 |
| N/a | Ovn | 1 |
| Ovn | Ovn-kubernetes | 2 |
| N/a | Owasp Esapi | 1 |
| Modsecurity | Owasp Modsecurity Core Rule Set | 13 |
| Owfs | Owfs | 1 |
| Fools Workshop | Owls Workshop | 2 |
| Owncloud | Owncloud Server | 1 |
| Open-xchange Gmbh | Ox App Suite | 1 |
| Huawei | Oxfords-an00a | 4 |
| N/a | Oxfords-an00a | 4 |
| Huawei | Oxfords-an00a Firmware | 4 |
| Monoxide0184 | Oxide Webserver | 1 |
| O2php.com | Oxygen | 5 |
| Ozjournals | Ozjournals | 4 |
| Rocomotion | P Forum | 2 |
| P-news | P-news | 4 |
| Adbglobal | P.dga4001n | 2 |
| Adbglobal | P.dga4001n Firmware | 2 |
| Haier | P10 | 11 |
| Haier | P10 Firmware | 11 |
| Huawei | P10 Lite | 1 |
| Huawei | P10 Lite Firmware | 1 |
| Huawei Technologies Co., Ltd. | P10, P10 Plus | 4 |
| Zero One Tech | P100s | 1 |
| Huawei | P20 | 14 |
