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Vulnerabilities

Vulnerability · CVE-2019-7256

Nice Linear eMerge E3-Series OS Command Injection Vulnerability

Published Jul 2, 2019 · catalog updated Jun 16, 2026 · Nice Linear eMerge E3-Series

Patch now

CVE-2019-7256 is in the CISA known-exploited catalog, due Apr 15, 2024. Confirm Nice Linear eMerge E3-Series against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
97.08%
Remediation
Remediation guidance
Affected products
cpe nortekcontrol/linear emerge elite firmware · cpe nortekcontrol/linear emerge essential firmware · vendor Nice Linear eMerge E3-Series

Nice Linear eMerge E3-Series contains an OS command injection vulnerability that allows an attacker to conduct remote code execution. VulnCheck canary evidence.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe nortekcontrol/linear emerge elite firmwareversion unspecified
  • cpe nortekcontrol/linear emerge essential firmwareversion unspecified
  • vendor Nice Linear eMerge E3-Seriesversion unspecified

How to fix CVE-2019-7256

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2019-7256 is in the CISA known-exploited catalog, due Apr 15, 2024. Confirm Nice Linear eMerge E3-Series against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Contact the vendor for guidance on remediating firmware, per their advisory.

What should an analyst verify?

CWE-78: OS Command Injection. EPSS 97.08%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 2, 2019 · Catalog

    Detected

    Nice Linear eMerge E3-Series contains an OS command injection vulnerability that allows an attacker to conduct remote code execution.

  2. Mar 25, 2024 · CISA KEV

    Known exploited

    Contact the vendor for guidance on remediating firmware, per their advisory.

  3. Apr 15, 2024 · CISA KEV

    Remediation due

    Contact the vendor for guidance on remediating firmware, per their advisory.

  4. Jun 16, 2026 · Catalog

    Updated

    Nice Linear eMerge E3-Series contains an OS command injection vulnerability that allows an attacker to conduct remote code execution.

Sources

  • CISA KEVConfirmed exploitationCVE-2019-7256

    Nice Linear eMerge E3-Series contains an OS command injection vulnerability that allows an attacker to conduct remote code execution.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2019-7256

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2019-7256

    30-day exploitation probability 97.1%

    first.org
  • Exploit DatabasePublic exploit reference47619

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit ModulesPublic exploit moduleexploit_linux/http/linear_emerge_unauth_rce_cve_2019_7256

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2019-7256

    Linear eMerge E3-Series devices allow Command Injections.

    nvd.nist.gov
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/155255/Linear-eMerge-E3-1.00-06-card_scan.php-Command-Injection.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/155256/Linear-eMerge-E3-1.00-06-card_scan_decoder.php-Command-Injection.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/155272/Linear-eMerge-E3-Access-Controller-Command-Injection.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/170372/Linear-eMerge-E3-Series-Access-Controller-Command-Injection.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com
  • VulnCheck KEVConfirmed exploitationCVE-2019-7256

    Nice Linear eMerge E3-Series contains an OS command injection vulnerability that allows an attacker to conduct remote code execution.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.