Exploitation evidence
Known exploited · CISA KEV listed
Added 2022-03-03. Ransomware campaign use: Unknown.
CISA required action: Apply updates per vendor instructions.
CISA due date: 2022-03-17. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
n/a / Cisco IOS, IOS XE, and IOS XR
Default status: Not specified
- affected: Cisco IOS, IOS XE, and IOS XR
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
CVE Program record ↗ · Download tracked evidence as JSON
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-lldp
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04
- http://www.securitytracker.com/id/1040586
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05
- http://www.securityfocus.com/bid/103564
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0167
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.03354,
"percentile": 0.88869
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.03354,
"percentile": 0.88799
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.03354,
"percentile": 0.88784
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.03354,
"percentile": 0.88777
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.03354,
"percentile": 0.88769
}07 Nov 2026, 00:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-05T03:14:16.810Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-lldp"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04"
},
{
"name": "1040586",
"tags": [
"vdb-entry",
"x_refsource_SECTRACK",
"x_transferred"
],
"url": "http://www.securitytracker.com/id/1040586"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05"
},
{
"name": "103564",
"tags": [
"vdb-entry",
"x_refsource_BID",
"x_transferred"
],
"url": "http://www.securityfocus.com/bid/103564"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2018-0167",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-11-08T17:25:01.571442Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2022-03-03",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0167"
},
"type": "kev"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-01-12T21:58:25.472Z",
"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-2018-0167"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Cisco IOS, IOS XE, and IOS XR",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "Cisco IOS, IOS XE, and IOS XR"
}
]
}
],
"datePublic": "2018-03-28T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "Multiple Buffer Overflow vulnerabilities in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. Cisco Bug IDs: CSCuo17183, CSCvd73487."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-119",
"description": "CWE-119",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2018-04-19T14:57:01.000Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-lldp"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04"
},
{
"name": "1040586",
"tags": [
"vdb-entry",
"x_refsource_SECTRACK"
],
"url": "http://www.securitytracker.com/id/1040586"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05"
},
{
"name": "103564",
"tags": [
"vdb-entry",
"x_refsource_BID"
],
"url": "http://www.securityfocus.com/bid/103564"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "psirt@cisco.com",
"ID": "CVE-2018-0167",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Cisco IOS, IOS XE, and IOS XR",
"version": {
"version_data": [
{
"version_value": "Cisco IOS, IOS XE, and IOS XR"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Multiple Buffer Overflow vulnerabilities in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. Cisco Bug IDs: CSCuo17183, CSCvd73487."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-119"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-lldp",
"refsource": "CONFIRM",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-lldp"
},
{
"name": "https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03",
"refsource": "MISC",
"url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03"
},
{
"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": "1040586",
"refsource": "SECTRACK",
"url": "http://www.securitytracker.com/id/1040586"
},
{
"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"
},
{
"name": "103564",
"refsource": "BID",
"url": "http://www.securityfocus.com/bid/103564"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2018-0167",
"datePublished": "2018-03-28T22:00:00.000Z",
"dateReserved": "2017-11-27T00:00:00.000Z",
"dateUpdated": "2026-01-12T21:58:25.472Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.03354,
"percentile": 0.88751
}05 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.03354,
"percentile": 0.88742
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.03354,
"percentile": 0.88732
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.03354,
"percentile": 0.88712
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.03354,
"percentile": 0.88698
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2018-0167",
"cwes": [
"CWE-119"
],
"dateAdded": "2022-03-03",
"dueDate": "2022-03-17",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://nvd.nist.gov/vuln/detail/CVE-2018-0167",
"product": "IOS, XR, and XE Software",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "There is a buffer overflow vulnerability in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software which could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code.",
"vendorProject": "Cisco",
"vulnerabilityName": "Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability"
}