CVE-2019-7256 (GCVE-0-2019-7256)
Vulnerability from cvelistv5 – Published: 2019-07-02 00:00 – Updated: 2025-10-21 23:45Summary
Linear eMerge E3-Series devices allow Command Injections.
Severity
9.8 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-03-27 04:00 UTC
CWE
- n/a
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| nortekcontrol | linear_emerge_essential_firmware |
Affected:
1.00-06
cpe:2.3:o:nortekcontrol:linear_emerge_essential_firmware:1.00-06:*:*:*:*:*:*:* |
|
| nortekcontrol | linear_emerge_elite_firmware |
Affected:
1.00-06
cpe:2.3:o:nortekcontrol:linear_emerge_elite_firmware:1.00-06:*:*:*:*:*:*:* |
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 60ed278d-ce94-4d1f-91f1-bc72c2a89cc9
Exploited: Yes
Timestamps
First Seen: 2024-03-25
Asserted: 2024-03-25
Scope
Notes: Nice Linear eMerge E3-Series OS Command Injection Vulnerability | Affected: Nice / Linear eMerge E3-Series | Description: Nice Linear eMerge E3-Series contains an OS command injection vulnerability that allows an attacker to conduct remote code execution. | Required action: Contact the vendor for guidance on remediating firmware, per their advisory. | Due date: 2024-04-15 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): 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
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-78 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | Linear eMerge E3-Series |
| Due Date | 2024-04-15 |
| Date Added | 2024-03-25 |
| Vendorproject | Nice |
| Vulnerabilityname | Nice Linear eMerge E3-Series OS Command Injection Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-10-02 08:09 CEST
| Updated: 2026-10-02 08:09 CEST
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 29cbe9b5-afcc-4aee-96c7-86797ae073eb
Exploited: Yes
Timestamps
First Seen: 2024-03-25
Asserted: 2024-03-25
Scope
Notes: Linear eMerge E3-Series devices allow Command Injections. | Affected: Linear / eMerge E3-Series | CVSS: 9.8 (CRITICAL) | EPSS: 0.97081 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: previdian
Details
| Feed | Previdian (previdian.com) |
|---|---|
| Title | Linear eMerge E3-Series devices allow Command Injections. |
| Cve Id | CVE-2019-7256 |
| Vendor | Linear |
| Ghsa Id | None |
| Product | eMerge E3-Series |
| Added Date | 2024-03-25T00:00:00.000Z |
| Cvss Score | 9.8 |
| Epss Score | 0.97081 |
| Previous Ids | |
| Cvss Severity | CRITICAL |
| Virtual Patch | False |
| Cvss Estimated | False |
| Epss Percentile | 0.99892 |
| Used In Malware | unknown |
| Vulnerability Id | CVE-2019-7256 |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-10-02 09:11 CEST
| Updated: 2026-10-02 09:11 CEST
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"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 (\u0027OS Command Injection\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-05-01T17:06:56.045Z",
"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"
}
],
"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": [
{
"description": "n/a",
"lang": "en",
"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"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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