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CVE-2023-5394Server receiving a malformed message that where the GCL message hostname may be too large which may cause a stack overflow; resulting in…
- 7.4HighCVSS base score
- 0.71%Exploitation in 30 daysEPSS · top 46% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By Honeywell
- 6 months later
· 6 months later
Published
- 4 months later
· 4 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| HoneywellCNA (assigner) | 3.1 | High7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H |
| NVDNVD · Deferred | 3.1 | High7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.71% · top 46% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.4.
Affected products
- affected 520.2 – ≤ 520.2 TCU4
- affected 510.1 – ≤ 510.2 HF13
- affected 520.1 – ≤ 520.1 TCU4
- affected 511.1 – ≤ 511.5 TCU4 HF3
- affected 520.2 – ≤ 520.2 TCU4
- affected 511.1 – ≤ 511.5 TCU4 HF3
- affected 520.1 – ≤ 520.1 TCU4
- affected 520.2 – ≤ 520.2 TCU4
- affected 520.1 – ≤ 520.1 TCU4
- affected 520.2 TCU4 HFR2 – ≤ 511.5 TCU4 HF3
References
References1
- https://process.honeywell.com (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-57709 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://cveledger.app/cve/CVE-2023-5394)Record last updated .