{"items":[{"id":"NVI-00000096","kind":"vulnerability","title":"CVE-2018-0151","revision":5,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","CISA catalog date-added and due-date fields are not the original vulnerability disclosure date or universal legal deadlines.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["CVE-2018-0151"],"plain_summary":"A vulnerability in the quality of service (QoS) subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges. The vulnerability is due to incorrect bounds checking of certain values in packets that are destined for UDP port 18999 of an affected device. An attacker could exploit this vulnerability by sending malicious packets to an affected device. When the packets are processed, an exploitable buffer overflow condition may occur. A successful exploit could allow the attacker to execute arbitrary code on the affected device with elevated privileges. The attacker could also leverage this vulnerability to cause the device to reload, causing a temporary DoS condition while the device is reloading. The malicious packets must be destined to and processed by an affected device. Traffic transiting a device will not trigger the vulnerability. Cisco Bug IDs: CSCvf73881.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-23afad7950d9c3edcf684bfb92df1be3"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Apply updates per vendor instructions.","source_ids":["sr-0cc9cc0b1b7e85c0fbebc8f79400e7d4"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-01-12T21:49:09.987Z","value":"9.8 CRITICAL (3.1)","meaning":"CISA-ADP severity and vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H; not a measure of customer compromise.","source_id":"sr-cb8920eb4071ba21cd48a9b1af55b01d"},{"kind":"CISA_KEV","as_of":"2022-03-03T00:00:00.000Z","value":"Listed","meaning":"CISA lists known exploitation. 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Catalog assertions are not evidence of customer compromise.","title":"CVE-2018-0151","publisher":"CISA","observed_at":"2026-10-31T20:54:12.600Z"},{"id":"sr-ce25bef945fb9035c5120513aa195fe4","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-0151","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2018-0151","publisher":"NIST National Vulnerability Database","observed_at":"2026-10-31T21:42:03.347Z"},{"id":"sr-23afad7950d9c3edcf684bfb92df1be3","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2018-0151","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:14:50.774Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-cb8920eb4071ba21cd48a9b1af55b01d"],"technology":"Cisco IOS and IOS XE","known_exclusions":[],"conditions_summary":"A vulnerability in the quality of service (QoS) subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges. The vulnerability is due to incorrect bounds checking of certain values in packets that are destined for UDP port 18999 of an affected device. An attacker could exploit this vulnerability by sending malicious packets to an affected device. When the packets are processed, an exploitable buffer overflow condition may occur. A successful exploit could allow the attacker to execute arbitrary code on the affected device with elevated privileges. The attacker could also leverage this vulnerability to cause the device to reload, causing a temporary DoS condition while the device is reloading. The malicious packets must be destined to and processed by an affected device. Traffic transiting a device will not trigger the vulnerability. Cisco Bug IDs: CSCvf73881.","public_affected_ranges":["Cisco IOS and IOS XE"]},{"certainty":"source_listed","source_ids":["sr-0cc9cc0b1b7e85c0fbebc8f79400e7d4"],"technology":"Cisco IOS and IOS XE Software","known_exclusions":[],"conditions_summary":"CISA does not supply a complete application-specific affected range here. Follow the linked vendor advisory for version and configuration prerequisites.","public_affected_ranges":[]}],"null_published_at":"2026-11-08T08:10:35.858Z","source_updated_at":"2026-01-12T21:49:09.987Z","source_disclosed_at":"2018-03-28T22:00:00.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T20:54:12.600Z"},{"id":"NVI-00000096","kind":"vulnerability","title":"Cisco IOS Software and Cisco IOS XE Software Quality of Service Remote Code Execution Vulnerability","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","CISA catalog date-added and due-date fields are not the original vulnerability disclosure date or universal legal deadlines.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["CVE-2018-0151"],"plain_summary":"CISA lists CVE-2018-0151 in its Known Exploited Vulnerabilities catalog. 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The catalog names Cisco IOS and IOS XE Software; it does not establish that a particular visitor is exposed or compromised.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Apply updates per vendor instructions.","source_ids":["sr-0cc9cc0b1b7e85c0fbebc8f79400e7d4"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-ba9b9d22a8ef78ac8950f8d46db410c7"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CISA_KEV","as_of":"2022-03-03T00:00:00.000Z","value":"Listed","meaning":"CISA lists known exploitation. 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