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Fencer Vulns
critical 9.8

CVE-2019-7276 in the critical feed json

Optergy Proton/Enterprise devices allow Remote Root Code Execution via a Backdoor Console.

published 2019-07-01 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-16820

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
93.4%
EPSS 93.4% chance of exploitation in 30 days, percentile 99.8%
public exploits
2
Metasploit, Exploit-DB, plus a Nuclei check

Summary

Optergy Proton/Enterprise devices allow Remote Root Code Execution via a Backdoor Console.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-19-157-01 updated cvss 7.3

Optergy Proton Enterprise Building Management System

  • Optergy Proton/Enterprise <= 2.3.0a
    affected: mitigation “Update Optergy server to Version 2.4.5 (or later) to remediate the issues described in this advisory (Proton and Optergy Enterprise).”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Timeline

  1. Published
  2. First public exploit (Metasploit exploit/linux/http/optergy_bms_backdoor_rce_cve_2019_7276)

Exploit prediction

93.38% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.