- 9.8CriticalCVSS base score
- 97.1%Exploitation in 30 daysEPSS · top 0.1% of all CVEs
- YesKnown exploitedin CISA's KEV since 25 Mar 2024
- 3Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Linear eMerge E3-Series devices allow Command Injections.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Nice Linear eMerge E3-Series OS Command Injection Vulnerability.
- Added
- 25 Mar 2024
- Fix due (US federal)
- 15 Apr 2024
- Used by ransomware
- Not known
Contact the vendor for guidance on remediating firmware, per their advisory.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 25 Mar 2024.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module, a Nuclei template and an Exploit-DB entry for it. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits3
Metasploit modules1 module
- Linear eMerge E3-Series Access Controller Command Injection (Metasploit module) (opens in a new tab)
exploit/linux/http/linear_emerge_unauth_rce_cve_2019_7256Rank excellentdisclosed 29 Oct 2019
Nuclei templates1 template
- eMerge E3 1.00-06 - Remote Code Execution (Nuclei template) (opens in a new tab)
http/cves/2019/CVE-2019-7256.yamlSeverity critical
Exploit-DB1 entry
- eMerge E3 1.00-06 - Remote Code Execution (Exploit-DB entry) (opens in a new tab)
EDB-ID 47619webapps, hardwarepublished 12 Nov 2019Not verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 5 months later
· 5 months later
Published
- 5 years later
· 5 years later
Added to CISA KEV
Known exploited in the wild
- 19 months later
· 19 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 97.1% · top 0.1% of all CVEs (10 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
n/a
- affected n/a
References
7
- https://applied-risk.com/labs/advisories (opens in a new tab)x_transferred
- https://www.applied-risk.com/resources/ar-2019-005 (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/155255/Linear-eMerge-E3-1.00-06-card_scan.php-Command-Injection.html (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/155256/Linear-eMerge-E3-1.00-06-card_scan_decoder.php-Command-Injection.html (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/155272/Linear-eMerge-E3-Access-Controller-Command-Injection.html (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/170372/Linear-eMerge-E3-Series-Access-Controller-Command-Injection.html (opens in a new tab)x_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-7256 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2019-16800 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2019-7256)Record last updated .