Exploitation evidence
Known exploited · CISA KEV listed
Added 2024-03-25. Ransomware campaign use: Unknown.
CISA required action: Contact the vendor for guidance on remediating firmware, per their advisory.
CISA due date: 2024-04-15. 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 / n/a
Default status: Not specified
- affected: n/a
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://applied-risk.com/labs/advisories
- https://www.applied-risk.com/resources/ar-2019-005
- http://packetstormsecurity.com/files/155255/Linear-eMerge-E3-1.00-06-card_scan.php-Command-Injection.html
- http://packetstormsecurity.com/files/155256/Linear-eMerge-E3-1.00-06-card_scan_decoder.php-Command-Injection.html
- http://packetstormsecurity.com/files/155272/Linear-eMerge-E3-Access-Controller-Command-Injection.html
- http://packetstormsecurity.com/files/170372/Linear-eMerge-E3-Series-Access-Controller-Command-Injection.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-7256
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": 0.97081,
"percentile": 0.99893
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.97081,
"percentile": 0.99892
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.97081,
"percentile": 0.99892
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.97081,
"percentile": 0.99892
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.97081,
"percentile": 0.99892
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.97081,
"percentile": 0.99892
}06 Nov 2026, 06:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"affected": [
{
"cpes": [
"cpe:2.3:o:nortekcontrol:linear_emerge_essential_firmware:1.00-06:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "linear_emerge_essential_firmware",
"vendor": "nortekcontrol",
"versions": [
{
"status": "affected",
"version": "1.00-06"
}
]
},
{
"cpes": [
"cpe:2.3:o:nortekcontrol:linear_emerge_elite_firmware:1.00-06:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "linear_emerge_elite_firmware",
"vendor": "nortekcontrol",
"versions": [
{
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"version": "1.00-06"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2019-7256",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-03-27T04:00:11.102367Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2024-03-25",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-7256"
},
"type": "kev"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-78",
"description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
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"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-2019-7256"
}
],
"timeline": [
{
"lang": "en",
"time": "2024-03-25T00:00:00.000Z",
"value": "CVE-2019-7256 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-04T20:46:45.713Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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{
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],
"url": "https://applied-risk.com/labs/advisories"
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{
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],
"url": "https://www.applied-risk.com/resources/ar-2019-005"
},
{
"tags": [
"x_transferred"
],
"url": "http://packetstormsecurity.com/files/155255/Linear-eMerge-E3-1.00-06-card_scan.php-Command-Injection.html"
},
{
"tags": [
"x_transferred"
],
"url": "http://packetstormsecurity.com/files/155256/Linear-eMerge-E3-1.00-06-card_scan_decoder.php-Command-Injection.html"
},
{
"tags": [
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],
"url": "http://packetstormsecurity.com/files/155272/Linear-eMerge-E3-Access-Controller-Command-Injection.html"
},
{
"tags": [
"x_transferred"
],
"url": "http://packetstormsecurity.com/files/170372/Linear-eMerge-E3-Series-Access-Controller-Command-Injection.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Linear eMerge E3-Series devices allow Command Injections."
}
],
"problemTypes": [
{
"descriptions": [
{
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"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-01-05T00:00:00.000Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://applied-risk.com/labs/advisories"
},
{
"url": "https://www.applied-risk.com/resources/ar-2019-005"
},
{
"url": "http://packetstormsecurity.com/files/155255/Linear-eMerge-E3-1.00-06-card_scan.php-Command-Injection.html"
},
{
"url": "http://packetstormsecurity.com/files/155256/Linear-eMerge-E3-1.00-06-card_scan_decoder.php-Command-Injection.html"
},
{
"url": "http://packetstormsecurity.com/files/155272/Linear-eMerge-E3-Access-Controller-Command-Injection.html"
},
{
"url": "http://packetstormsecurity.com/files/170372/Linear-eMerge-E3-Series-Access-Controller-Command-Injection.html"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2019-7256",
"datePublished": "2019-07-02T00:00:00.000Z",
"dateReserved": "2019-01-31T00:00:00.000Z",
"dateUpdated": "2025-10-21T23:45:34.488Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}05 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.97081,
"percentile": 0.99892
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.97081,
"percentile": 0.99892
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.97081,
"percentile": 0.99892
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.97081,
"percentile": 0.99892
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2019-7256",
"cwes": [
"CWE-78"
],
"dateAdded": "2024-03-25",
"dueDate": "2024-04-15",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://linear-solutions.com/wp-content/uploads/E3-Bulletin-06-27-2023.pdf, https://www.cisa.gov/news-events/ics-advisories/icsa-24-065-01; https://nvd.nist.gov/vuln/detail/CVE-2019-7256",
"product": "Linear eMerge E3-Series",
"requiredAction": "Contact the vendor for guidance on remediating firmware, per their advisory.",
"shortDescription": "Nice Linear eMerge E3-Series contains an OS command injection vulnerability that allows an attacker to conduct remote code execution.",
"vendorProject": "Nice",
"vulnerabilityName": "Nice Linear eMerge E3-Series OS Command Injection Vulnerability"
}