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CVE-2023-5397
Server receiving a malformed message to create a new connection could lead to an attacker performing remote code execution or causing a…
- 8.1HighCVSS base score
- 0.77%Exploitation in 30 daysEPSS · top 44% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By Honeywell
- 7 months later
· 7 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 | High8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CISA-ADPADP (enrichment) | 3.1 | High8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Deferred | 3.1 | High8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.77% · top 44% of all CVEs (11 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.1.
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-2023-57712 (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-2023-5397)Record last updated .