CVE-2023-25770

highpriority · track · 30EPSS 0.007 · 53 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.71% (53rd) EPSS

CVSS 7.5 · high

Is it mine?

20 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

Controller DoS may occur due to buffer overflow when an error is generated in response to a specially crafted message. See Honeywell Security Notification for recommendations on upgrading and versioning.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedExperion LXcisa_csaf_ot
Experion LX: Update to version R520.2
FixedExperion PKScisa_csaf_ot
Experion PKS: Update to version R520.2
FixedExperion PlantCruisecisa_csaf_ot
Experion PlantCruise: Update to version R520.2
MitigationExperion LXcisa_csaf_ot
Honeywell recommends users upgrade Experion Platforms to version R520.2. Download information includes the following:
MitigationExperion PKScisa_csaf_ot
Honeywell recommends users upgrade Experion Platforms to version R520.2. Download information includes the following:
MitigationExperion PlantCruisecisa_csaf_ot
Honeywell recommends users upgrade Experion Platforms to version R520.2. Download information includes the following:

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.9–9.8

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · psirt@honeywell.comexploitability 3.9 · impact 5.9

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-502USprimaryCWE-502USCWE-502US

affected products (20)

Products and version ranges known to be affected.

Experion LX: < R520.2all versionscisa_csaf_otUS
Experion PKS: < R520.2all versionscisa_csaf_otUS
Experion PlantCruise: < R520.2all versionscisa_csaf_otUS
Honeywell Experion LX< R520.2cisa_csaf_otUS
Honeywell Experion PKS< R520.2cisa_csaf_otUS
Honeywell Experion PlantCruise< R520.2cisa_csaf_otUS
Honeywell C300≤ 520.2 ≤520.2TCU2enisa_euvdEU
Honeywell C300≤ 501.1 ≤501.6HF8enisa_euvdEU
Honeywell C300≤ 520.1 ≤520.1TCU4enisa_euvdEU
Honeywell C300≤ 511.1 ≤511.5TCU3enisa_euvdEU
Honeywell C300≤ 510.1 ≤511.5TCU3enisa_euvdEU
Honeywell C300≤ 510.1 ≤510.2HF12enisa_euvdEU
Honeywell Internatioinal Inc. Experion LX≤ R520.2fstec_bduRU
Honeywell Internatioinal Inc. Experion PKS≤ R520.2fstec_bduRU
Honeywell Internatioinal Inc. Experion PlantCruise≤ R520.2fstec_bduRU
honeywell c300 firmware501.1 → 501.6hf8nvdUScpe:2.3:o:honeywell:c300_firmware:*:*:*:*:*:*:*:*
honeywell c300 firmware510.1 → 510.2hf12nvdUScpe:2.3:o:honeywell:c300_firmware:*:*:*:*:*:*:*:*
honeywell c300 firmware511.1 → 511.5tcu3nvdUScpe:2.3:o:honeywell:c300_firmware:*:*:*:*:*:*:*:*
honeywell c300 firmware520.1 → 520.1tcu4nvdUScpe:2.3:o:honeywell:c300_firmware:*:*:*:*:*:*:*:*
honeywell c300 firmware520.2 → 520.2tcu2nvdUScpe:2.3:o:honeywell:c300_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-23-194-06Honeywell Experion PKS, LX and PlantCruise2023-07-13icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could cause a denial-of-service condition, allow privilege escalation or allow remote code execution.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd NVD CVE.org MITRE

published 2023-07-13modified 2026-06-17

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+3739 more

references (4)

External citations — patches, advisories, analysis.

scry

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