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CVE-2026-27873

Quick assessment

Affected
Johnson Controls EasyIO FG
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Johnson Controls EasyIO FG 中存在硬编码凭据漏洞，可导致密码喷洒攻击。 受影响版本：EasyIO FG 2.0b52 之前版本。

CVSS 5.6 · Medium EPSS 0.09% · P0

Possible ATT&CK Techniques 1 AI

T1110.004 · Credential Stuffing

Affected Version Matrix 1

VendorProduct Version RangeStatus
Johnson Controls EasyIO FG < 2.0b52 affected
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I. Basic Information for CVE-2026-27873

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
- Use of Hard-coded Credentials vulnerability in Johnson Controls EasyIO FG allows - Pasword Spraying. This issue affects EasyIO FG: before 2.0b52.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:L/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的凭证
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Johnson Controls EasyIO FG 0 ~ 2.0b52 -

II. Public POCs for CVE-2026-27873

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-27873

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Vendor Pages for CVE-2026-27873 (1)

Same Patch Batch · Johnson Controls · 2026-10-01 · 12 CVEs total

CVE-2026-71449 9.3 CRITICAL Johnson Controls EasyIO FS32 硬编码密钥漏洞
CVE-2026-64893 7.3 HIGH Johnson Controls EasyIO NEO <3.3b25 明文传输漏洞
CVE-2026-71452 7.2 HIGH Johnson Controls EasyIO FS32 3.0b63以下命令注入漏洞
CVE-2026-34493 7.2 HIGH Johnson Controls EasyIO FS32 <3.3b63 芯片调试接口漏洞
CVE-2026-34494 7.2 HIGH Johnson Controls Neo Series MVP2 (<3.3b63) On-Chip调试接口数据收集漏洞
CVE-2026-64892 6.3 MEDIUM Johnson Controls Easy IO Neo 3.3b63前敏感信息泄露
CVE-2026-27872 5.6 MEDIUM EasyIO FG
CVE-2026-71451 5.6 MEDIUM Johnson Controls EasyIO FS32 < 3.0b63 命令注入漏洞
CVE-2026-71453 5.6 MEDIUM Johnson Controls EasyIO FS32 (<3.0b63) 路径遍历漏洞
CVE-2026-71448 5.6 MEDIUM EasyIO FS32 <3.0b63 不安全资源初始化认证滥用漏洞
CVE-2026-27874 5.0 MEDIUM EasyIO FS32硬编码凭据漏洞

IV. Related Vulnerabilities

Same vendor: Johnson Controls
Same weakness: CWE-798

V. Comments for CVE-2026-27873

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