Broken or risky cryptographic algorithm in Johnson Controls TL280
Priority LOW 14CWE-327Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-327.
Summary
Cwe-327 Use of a Broken or Risky Cryptographic Algorithm vulnerability in Johnson Controls TL280 allows Cryptanalytic Attack. This issue affects TL280: before 5.63.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00269 19th percentileScored 2026-11-07
Fix Fixed TL280 (Johnson Controls): 5.63
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Johnson Controls | TL280 | before 5.63 | 5.63 | Patch available | CNA |
- TL280 VendorJohnson Controls Affected before 5.63 Fixed in 5.63 Patch available CNA
Remediation
- Fix · CNA TL280 (Johnson Controls) Fixed in 5.63
Timeline
- 2026-10-02 Threatist record created from CVE-2026-27871
- 2026-10-03 Alias added: GHSA-jpq8-c4g8-9mq5
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- TI-2026-17437 Johnson Controls -Frick Quantum HD- Unauthenticated Remote Code Execution CVSS 4.0HIGH 8.8
- TI-2025-19344 Johnson Controls Software House iSTAR Configuration Utility (ICU) Tool CVSS 4.0CRITICAL 9.3
- TI-2023-03311 Missing brute-force protection in Johnson Controls IQ Wifi 6 CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-27871 · CVE Program
- CVE-2026-27871 · NVD
- FIRST EPSS
- GHSA-jpq8-c4g8-9mq5 · GitHub Advisory Database · CC BY 4.0
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