{"history":[{"alert":0,"cve":"CVE-2018-0156","id":21727,"kind":"epss","observed_at":1794500401,"payload":"{\"date\": \"2026-11-12\", \"epss\": 0.0936, \"percentile\": 0.95463}"},{"alert":0,"cve":"CVE-2018-0156","id":19344,"kind":"epss","observed_at":1794327601,"payload":"{\"date\": \"2026-11-10\", \"epss\": 0.0936, \"percentile\": 0.95433}"},{"alert":0,"cve":"CVE-2018-0156","id":17310,"kind":"epss","observed_at":1794241201,"payload":"{\"date\": \"2026-11-09\", \"epss\": 0.0936, \"percentile\": 0.95428}"},{"alert":0,"cve":"CVE-2018-0156","id":15373,"kind":"epss","observed_at":1794154800,"payload":"{\"date\": \"2026-11-08\", \"epss\": 0.0936, \"percentile\": 0.95425}"},{"alert":0,"cve":"CVE-2018-0156","id":13351,"kind":"epss","observed_at":1794068402,"payload":"{\"date\": \"2026-11-07\", \"epss\": 0.0936, \"percentile\": 0.95422}"},{"alert":1,"cve":"CVE-2018-0156","id":12731,"kind":"cna","observed_at":1794003600,"payload":"{\"containers\": {\"adp\": [{\"providerMetadata\": {\"dateUpdated\": \"2024-08-05T03:14:16.905Z\", \"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\"}, \"references\": [{\"tags\": [\"x_refsource_MISC\", \"x_transferred\"], \"url\": \"https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04\"}, {\"tags\": [\"x_refsource_CONFIRM\", \"x_transferred\"], \"url\": \"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi\"}, {\"name\": \"1040596\", \"tags\": [\"vdb-entry\", \"x_refsource_SECTRACK\", \"x_transferred\"], \"url\": \"http://www.securitytracker.com/id/1040596\"}, {\"name\": \"103569\", \"tags\": [\"vdb-entry\", \"x_refsource_BID\", \"x_transferred\"], \"url\": \"http://www.securityfocus.com/bid/103569\"}, {\"tags\": [\"x_refsource_MISC\", \"x_transferred\"], \"url\": \"https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05\"}], \"title\": \"CVE Program Container\"}, {\"metrics\": [{\"cvssV3_1\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"NONE\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"version\": \"3.1\"}}, {\"other\": {\"content\": {\"id\": \"CVE-2018-0156\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"role\": \"CISA Coordinator\", \"timestamp\": \"2024-11-08T17:27:51.944144Z\", \"version\": \"2.0.3\"}, \"type\": \"ssvc\"}}, {\"other\": {\"content\": {\"dateAdded\": \"2022-03-03\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0156\"}, \"type\": \"kev\"}}], \"providerMetadata\": {\"dateUpdated\": \"2026-01-12T21:54:00.542Z\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\"}, \"references\": [{\"tags\": [\"government-resource\"], \"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0156\"}], \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"affected\": [{\"product\": \"Cisco IOS and IOS XE\", \"vendor\": \"n/a\", \"versions\": [{\"status\": \"affected\", \"version\": \"Cisco IOS and IOS XE\"}]}], \"datePublic\": \"2018-03-28T00:00:00.000Z\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted packet to an affected device on TCP port 4786. Only Smart Install client switches are affected. Cisco devices that are configured as a Smart Install director are not affected by this vulnerability. Cisco Bug IDs: CSCvd40673.\"}], \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-399\", \"description\": \"CWE-399\", \"lang\": \"en\", \"type\": \"CWE\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2018-04-19T13:57:01.000Z\", \"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\"}, \"references\": [{\"tags\": [\"x_refsource_MISC\"], \"url\": \"https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04\"}, {\"tags\": [\"x_refsource_CONFIRM\"], \"url\": \"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi\"}, {\"name\": \"1040596\", \"tags\": [\"vdb-entry\", \"x_refsource_SECTRACK\"], \"url\": \"http://www.securitytracker.com/id/1040596\"}, {\"name\": \"103569\", \"tags\": [\"vdb-entry\", \"x_refsource_BID\"], \"url\": \"http://www.securityfocus.com/bid/103569\"}, {\"tags\": [\"x_refsource_MISC\"], \"url\": \"https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05\"}], \"x_legacyV4Record\": {\"CVE_data_meta\": {\"ASSIGNER\": \"psirt@cisco.com\", \"ID\": \"CVE-2018-0156\", \"STATE\": \"PUBLIC\"}, \"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"product_name\": \"Cisco IOS and IOS XE\", \"version\": {\"version_data\": [{\"version_value\": \"Cisco IOS and IOS XE\"}]}}]}, \"vendor_name\": \"n/a\"}]}}, \"data_format\": \"MITRE\", \"data_type\": \"CVE\", \"data_version\": \"4.0\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted packet to an affected device on TCP port 4786. Only Smart Install client switches are affected. Cisco devices that are configured as a Smart Install director are not affected by this vulnerability. Cisco Bug IDs: CSCvd40673.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"CWE-399\"}]}]}, \"references\": {\"reference_data\": [{\"name\": \"https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04\", \"refsource\": \"MISC\", \"url\": \"https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04\"}, {\"name\": \"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi\", \"refsource\": \"CONFIRM\", \"url\": \"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi\"}, {\"name\": \"1040596\", \"refsource\": \"SECTRACK\", \"url\": \"http://www.securitytracker.com/id/1040596\"}, {\"name\": \"103569\", \"refsource\": \"BID\", \"url\": \"http://www.securityfocus.com/bid/103569\"}, {\"name\": \"https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05\", \"refsource\": \"MISC\", \"url\": \"https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05\"}]}}}}, \"cveMetadata\": {\"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"assignerShortName\": \"cisco\", \"cveId\": \"CVE-2018-0156\", \"datePublished\": \"2018-03-28T22:00:00.000Z\", \"dateReserved\": \"2017-11-27T00:00:00.000Z\", \"dateUpdated\": \"2026-01-12T21:54:00.542Z\", \"state\": \"PUBLISHED\"}, \"dataType\": \"CVE_RECORD\", \"dataVersion\": \"5.2\"}"},{"alert":0,"cve":"CVE-2018-0156","id":11133,"kind":"epss","observed_at":1793982001,"payload":"{\"date\": \"2026-11-06\", \"epss\": 0.0936, \"percentile\": 0.95416}"},{"alert":0,"cve":"CVE-2018-0156","id":8879,"kind":"epss","observed_at":1793895600,"payload":"{\"date\": \"2026-11-05\", \"epss\": 0.0936, \"percentile\": 0.95411}"},{"alert":0,"cve":"CVE-2018-0156","id":6667,"kind":"epss","observed_at":1793809200,"payload":"{\"date\": \"2026-11-04\", \"epss\": 0.0936, \"percentile\": 0.95407}"},{"alert":0,"cve":"CVE-2018-0156","id":4444,"kind":"epss","observed_at":1793722800,"payload":"{\"date\": \"2026-11-03\", \"epss\": 0.0936, \"percentile\": 0.95399}"},{"alert":0,"cve":"CVE-2018-0156","id":2226,"kind":"epss","observed_at":1793665375,"payload":"{\"date\": \"2026-11-02\", \"epss\": 0.0936, \"percentile\": 0.95393}"},{"alert":1,"cve":"CVE-2018-0156","id":1312,"kind":"kev","observed_at":1793665375,"payload":"{\"cveID\": \"CVE-2018-0156\", \"cwes\": [\"CWE-399\"], \"dateAdded\": \"2022-03-03\", \"dueDate\": \"2022-03-17\", \"forensicTriage\": \"No\", \"knownRansomwareCampaignUse\": \"Unknown\", \"notes\": \"https://nvd.nist.gov/vuln/detail/CVE-2018-0156\", \"product\": \"IOS Software and Cisco IOS XE Software\", \"requiredAction\": \"Apply updates per vendor instructions.\", \"shortDescription\": \"A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial-of-service (DoS) condition.\", \"vendorProject\": \"Cisco\", \"vulnerabilityName\": \"Cisco IOS Software and Cisco IOS XE Software Smart Install Denial-of-Service Vulnerability\"}"}],"record":{"affected":[{"product":"Cisco IOS and IOS XE","vendor":"n/a","versions":[{"status":"affected","version":"Cisco IOS and IOS XE"}]}],"cna":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-05T03:14:16.905Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi"},{"name":"1040596","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"],"url":"http://www.securitytracker.com/id/1040596"},{"name":"103569","tags":["vdb-entry","x_refsource_BID","x_transferred"],"url":"http://www.securityfocus.com/bid/103569"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05"}],"title":"CVE Program Container"},{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}},{"other":{"content":{"id":"CVE-2018-0156","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2024-11-08T17:27:51.944144Z","version":"2.0.3"},"type":"ssvc"}},{"other":{"content":{"dateAdded":"2022-03-03","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0156"},"type":"kev"}}],"providerMetadata":{"dateUpdated":"2026-01-12T21:54:00.542Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0156"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"Cisco IOS and IOS XE","vendor":"n/a","versions":[{"status":"affected","version":"Cisco IOS and IOS XE"}]}],"datePublic":"2018-03-28T00:00:00.000Z","descriptions":[{"lang":"en","value":"A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted packet to an affected device on TCP port 4786. Only Smart Install client switches are affected. Cisco devices that are configured as a Smart Install director are not affected by this vulnerability. Cisco Bug IDs: CSCvd40673."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-399","description":"CWE-399","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2018-04-19T13:57:01.000Z","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco"},"references":[{"tags":["x_refsource_MISC"],"url":"https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04"},{"tags":["x_refsource_CONFIRM"],"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi"},{"name":"1040596","tags":["vdb-entry","x_refsource_SECTRACK"],"url":"http://www.securitytracker.com/id/1040596"},{"name":"103569","tags":["vdb-entry","x_refsource_BID"],"url":"http://www.securityfocus.com/bid/103569"},{"tags":["x_refsource_MISC"],"url":"https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"psirt@cisco.com","ID":"CVE-2018-0156","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Cisco IOS and IOS XE","version":{"version_data":[{"version_value":"Cisco IOS and IOS XE"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted packet to an affected device on TCP port 4786. Only Smart Install client switches are affected. Cisco devices that are configured as a Smart Install director are not affected by this vulnerability. Cisco Bug IDs: CSCvd40673."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-399"}]}]},"references":{"reference_data":[{"name":"https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04","refsource":"MISC","url":"https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04"},{"name":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi","refsource":"CONFIRM","url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi"},{"name":"1040596","refsource":"SECTRACK","url":"http://www.securitytracker.com/id/1040596"},{"name":"103569","refsource":"BID","url":"http://www.securityfocus.com/bid/103569"},{"name":"https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05","refsource":"MISC","url":"https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05"}]}}}},"cveMetadata":{"assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","assignerShortName":"cisco","cveId":"CVE-2018-0156","datePublished":"2018-03-28T22:00:00.000Z","dateReserved":"2017-11-27T00:00:00.000Z","dateUpdated":"2026-01-12T21:54:00.542Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"cna_checked":1794003600,"cve":"CVE-2018-0156","description":"A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted packet to an affected device on TCP port 4786. Only Smart Install client switches are affected. Cisco devices that are configured as a Smart Install director are not affected by this vulnerability. Cisco Bug IDs: CSCvd40673.","epss":{"date":"2026-11-12","epss":0.0936,"percentile":0.95463},"epss_checked":1794522003,"first_seen":1793665375,"kev":{"cveID":"CVE-2018-0156","cwes":["CWE-399"],"dateAdded":"2022-03-03","dueDate":"2022-03-17","forensicTriage":"No","knownRansomwareCampaignUse":"Unknown","notes":"https://nvd.nist.gov/vuln/detail/CVE-2018-0156","product":"IOS Software and Cisco IOS XE Software","requiredAction":"Apply updates per vendor instructions.","shortDescription":"A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial-of-service (DoS) condition.","vendorProject":"Cisco","vulnerabilityName":"Cisco IOS Software and Cisco IOS XE Software Smart Install Denial-of-Service Vulnerability"},"kev_checked":1794522003,"products":"n/a Cisco IOS and IOS XE","references":["https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04","https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi","http://www.securitytracker.com/id/1040596","http://www.securityfocus.com/bid/103569","https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0156"],"score":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","provider":"CISA-ADP","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"solutions":"","state":"PUBLISHED","title":"Cisco IOS Software and Cisco IOS XE Software Smart Install Denial-of-Service Vulnerability","updated_at":1794500401,"workarounds":""},"sources":[]}
