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CVE-2023-5403

Server hostname translation to IP address manipulation which could lead to an attacker performing remote code execution or causing a…

Description

Server hostname translation to IP address manipulation which could lead to an attacker performing remote code execution or causing a failure. See Honeywell Security Notification for recommendations on upgrading and versioning.

Timeline

  1. ID reserved

    By Honeywell

  2. · 7 months later

    Published

  3. · 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

CVSS scores of CVE-2023-5403, by who scored it
Scored byCVSSScoreVector
HoneywellCNA (assigner)3.1High8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Deferred3.1High8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.72% · top 45% 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

  • Honeywell · Experion Server

    • 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
  • Honeywell · Experion Server

    • affected 520.2 – ≤ 520.2 TCU4
    • affected 511.1 – ≤ 511.5 TCU4 HF3
    • affected 520.1 – ≤ 520.1 TCU4
  • Honeywell · Experion Server

    • affected 520.2 – ≤ 520.2 TCU4
    • affected 520.1 – ≤ 520.1 TCU4
    • affected 520.2 TCU4 HFR2 – ≤ 511.5 TCU4 HF3

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

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Record last updated .