TI-2023-04965 Aliases CVE-2023-5394 GHSA-9x6r-r4jh-x967

Memory corruption in Honeywell Experion Server

LOW 34CWE-119Published 2024-04-11 · Updated 2024-08-09

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: None · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Server receiving a malformed message that where the GCL message hostname may be too large which may cause a stack overflow; resulting in possible remote code execution. Honeywell recommends updating to the most recent version of the product. See Honeywell Security Notification for recommendations on upgrading and versioning.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00711 53rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

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
Honeywell	Experion Server	520.2 – 520.2 TCU4; 510.1 – 510.2 HF13; 520.1 – 520.1 TCU4; 511.1 – 511.5 TCU4 HF3	—	No fix listed	CNA
Honeywell	Experion Server	520.2 – 520.2 TCU4; 511.1 – 511.5 TCU4 HF3; 520.1 – 520.1 TCU4	—	No fix listed	CNA
Honeywell	Experion Server	520.2 – 520.2 TCU4; 520.1 – 520.1 TCU4; 520.2 TCU4 HFR2 – 511.5 TCU4 HF3	—	No fix listed	CNA

Experion Server VendorHoneywell Affected 520.2 – 520.2 TCU4; 510.1 – 510.2 HF13; 520.1 – 520.1 TCU4; 511.1 – 511.5 TCU4 HF3 Fixed in — No fix listed CNA
Experion Server VendorHoneywell Affected 520.2 – 520.2 TCU4; 511.1 – 511.5 TCU4 HF3; 520.1 – 520.1 TCU4 Fixed in — No fix listed CNA
Experion Server VendorHoneywell Affected 520.2 – 520.2 TCU4; 520.1 – 520.1 TCU4; 520.2 TCU4 HFR2 – 511.5 TCU4 HF3 Fixed in — No fix listed CNA

CPE names CISA-ADP · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:honeywell:experion_process_knowledge_system::::::::	—	—	Honeywell
cpe:2.3:h:honeywell:experion_lx::::::::	—	—	Honeywell
cpe:2.3:a:honeywell:plantcruise::::::::	—	—	Honeywell

cpe:2.3:a:honeywell:experion_process_knowledge_system:*:*:*:*:*:*:*:* Versions — — ·Honeywell
cpe:2.3:h:honeywell:experion_lx:*:*:*:*:*:*:*:* Versions — — ·Honeywell
cpe:2.3:a:honeywell:plantcruise:*:*:*:*:*:*:*:* Versions — — ·Honeywell

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-5394
2026-10-03 Alias added: GHSA-9x6r-r4jh-x967

References

Other 1

https://process.honeywell.com

TI-2023-03466 Printer web page invalid command execution CVSS 3.1CRITICAL 9.9
TI-2021-22482 WIN-PACK PRO 4.8 - 'WPCommandFileService' Unquoted Service Path CVSS 4.0HIGH 8.5
TI-2021-22480 WIN-PACK PRO 4.8 - 'GuardTourService' Unquoted Service Path CVSS 4.0HIGH 8.5
TI-2007-02844 Buffer overflow in the BaseRunner ActiveX control in the Ademco ATNBaseLoader100 Module… CVSS 2.0HIGH 10.0
TI-2023-18324 MAS (a Carrier brand) MASmobile Classic Authorization Bypass CVSS 3.1MEDIUM 6.5
TI-2023-28253 XML external entity injection in Honeywell Saia PG5 Controls Suite CVSS 3.1MEDIUM 6.5

See all 132 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences