Server receiving a malformed message based on a list of IPs resulting in heap corruption…
Priority LOW 27CWE-1327Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
Server receiving a malformed message based on a list of IPs resulting in heap corruption causing a denial of service. See Honeywell Security Notification for recommendations on upgrading and versioning.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00443 38th 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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:honeywell:experion_server:520.2:*:*:*:*:*:*:* | 520.2 | — | Honeywell |
| cpe:2.3:a:honeywell:experion_server:510.1:*:*:*:*:*:*:* | 510.1 | — | Honeywell |
| cpe:2.3:a:honeywell:experion_server:520.1:*:*:*:*:*:*:* | 520.1 | — | Honeywell |
| cpe:2.3:a:honeywell:experion_server:511.1:*:*:*:*:*:*:* | 511.1 | — | Honeywell |
- cpe:2.3:a:honeywell:experion_server:520.2:*:*:*:*:*:*:* Versions 520.2 — ·Honeywell
- cpe:2.3:a:honeywell:experion_server:510.1:*:*:*:*:*:*:* Versions 510.1 — ·Honeywell
- cpe:2.3:a:honeywell:experion_server:520.1:*:*:*:*:*:*:* Versions 520.1 — ·Honeywell
- cpe:2.3:a:honeywell:experion_server:511.1:*:*:*:*:*:*:* Versions 511.1 — ·Honeywell
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-5398
- 2026-10-03 Alias added: GHSA-8c78-h946-hmr5
References
More Honeywell vulnerabilities
- 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
Sources
- CVE-2023-5398 · CVE Program
- CVE-2023-5398 · NVD
- FIRST EPSS
- GHSA-8c78-h946-hmr5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences