CVE-2026-27873
Johnson Controls EasyIO FG Hard-coded Credentials Vulnerability
Description
- Use of Hard-coded Credentials vulnerability in Johnson Controls EasyIO FG allows - Pasword Spraying. This issue affects EasyIO FG: before 2.0b52.
INFO
Published Date :
Oct. 1, 2026, 10:17 p.m.
Last Modified :
Oct. 1, 2026, 10:17 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | 7281d04a-a537-43df-bfb4-fa4110af9d01 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update firmware to version 2.0b52 or later.
- Remove all hard-coded credentials from the system.
- Implement strong password policies.
- Enable account lockout mechanisms.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-27873.
| URL | Resource |
|---|---|
| https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-27873 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-27873
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-27873 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-27873 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Oct. 01, 2026
Action Type Old Value New Value Added Description - Use of Hard-coded Credentials vulnerability in Johnson Controls EasyIO FG allows - Pasword Spraying. This issue affects EasyIO FG: before 2.0b52. Added CVSS V4.0 AV:L/AC:H/AT:P/PR:L/UI:N/VC:L/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-798 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/27xxx/CVE-2026-27873.json">CVE-2026-27873</a> Added Reference https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories