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TI-2023-04968 Aliases CVE-2023-5397GHSA-97rm-7vq8-qwj2

Improper input validation in Honeywell Experion Server

Priority LOW 39CWE-20Published · Updated

Key facts

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

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

Summary

Server receiving a malformed message to create a new connection could lead to an attacker performing remote code execution or causing a failure. See Honeywell Security Notification for recommendations on upgrading and versioning.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00773 55th 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
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
HoneywellExperion Server520.2 – 520.2 TCU4; 510.1 – 510.2 HF13; 520.1 – 520.1 TCU4; 511.1 – 511.5 TCU4 HF3—No fix listedCNA
HoneywellExperion Server520.2 – 520.2 TCU4; 511.1 – 511.5 TCU4 HF3; 520.1 – 520.1 TCU4—No fix listedCNA
HoneywellExperion Server520.2 – 520.2 TCU4; 520.1 – 520.1 TCU4; 520.2 TCU4 HFR2 – 511.5 TCU4 HF3—No fix listedCNA
  • 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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:honeywell:experion_server:*:*:*:*:*:*:*:*——Honeywell
  • cpe:2.3:a:honeywell:experion_server:*:*:*:*:*:*:*:* Versions — — ·Honeywell

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-5397
  2. 2026-10-03 Alias added: GHSA-97rm-7vq8-qwj2

References

Other 1

  • 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